| Datum | Tijd | Thuis | Uit |
|---|---|---|---|
| 14 mei 2021 | 19:00 | Jeka HS1 | Blue Birds HS1 |
| 14 mei 2021 | 19:30 | Blue Birds DS2 | Orioles DS2 |
| 15 mei 2021 | 09:30 | Blue Birds JH2 | Orioles JH1 |
| 15 mei 2021 | 10:00 | Catch BM1 | Blue Birds BM1 |
| 15 mei 2021 | 10:00 | Birds AH2 | Blue Birds AH3 |
| 15 mei 2021 | 10:30 | Red Lions AH1 | Blue Birds AH2 |
| 15 mei 2021 | 12:00 | Blue Birds AS1 | Adegeest AS1 |
| 15 mei 2021 | 14:00 | Ridderkerk Rowdies JH1 | Blue Birds JH1 |
| 15 mei 2021 | 14:30 | Blue Birds PH1 | Orioles PH1 |
| 16 mei 2021 | 10:00 | Blue Birds AH1 | Wassenaar/ABF AH1 |
| 16 mei 2021 | 10:00 | Wassenaar/ABF | Blue Birds Blaauw |
| 16 mei 2021 | 10:00 | Batters H2 | Blue Birds H3 |
| 16 mei 2021 | 11:00 | Birds PH3 | Blue Birds PH2 |
| 16 mei 2021 | 12:30 | Blue Birds JS1 | Saints JS1 |
| 16 mei 2021 | 12:30 | Birds PS1 | Blue Birds PS1 |
| 16 mei 2021 | 14:30 | Blue Birds H1 | Neptunus H4 |
| 16 mei 2021 | 16:00 | Blue Birds DS1 | Starlights DS1 |
| 21 mei 2021 | 19:00 | Adegeest HS3 | Blue Birds HS2 |
| 21 mei 2021 | 19:30 | Wassenaar DS2 | Blue Birds DS2 |
| 21 mei 2021 | 20:00 | Blue Birds HS1 | Spikes HS1 |
| 22 mei 2021 | 10:00 | Blue Birds BM1 | Neptunus BM1 |
| 23 mei 2021 | 10:00 | Blue Birds Blaauw | Storks BM1 |
| 23 mei 2021 | 10:00 | Wassenaar H2 | Blue Birds H1 |
| 23 mei 2021 | 10:00 | Orioles H4 | Blue Birds H3 |
| 23 mei 2021 | 17:00 | Adegeest DS2 | Blue Birds DS1 |
| 24 mei 2021 | 19:00 | Blue Birds HS2 | Adegeest HS2 |
| 28 mei 2021 | 19:00 | Orioles HS1 | Blue Birds HS1 |
| 28 mei 2021 | 19:30 | Blue Birds DS2 | Storks DS2 |
| 29 mei 2021 | 09:30 | Braves BM1 | Blue Birds BM1 |
| 29 mei 2021 | 10:00 | Blue Birds PS1 | Red Lions / Catch |
| 29 mei 2021 | 12:30 | Blue Birds AH2 | Catch AH1 |
| 29 mei 2021 | 13:00 | Blue Birds JH1 | Braves JH1 |
| 29 mei 2021 | 13:00 | Boosters JH1 | Blue Birds JH2 |
| 29 mei 2021 | 16:00 | Orioles JS1 | Blue Birds JS1 |
| 30 mei 2021 | 10:00 | Blue Birds PH2 | Biënto PH1 |
| 30 mei 2021 | 10:00 | Blue Birds Blaauw | Alphians Grizzlys |
| 30 mei 2021 | 10:30 | Stags H2 | Blue Birds H3 |
| 30 mei 2021 | 11:00 | Blue Birds H1 | Schiedam H3 |
| 30 mei 2021 | 12:00 | Blue Birds AH3 | Red Lions AH1 |
| 30 mei 2021 | 12:00 | Storks PH1 | Blue Birds PH1 |
| 30 mei 2021 | 13:00 | Red Lions AS1 | Blue Birds AS1 |
| 30 mei 2021 | 16:00 | Blue Birds DS1 | ROEF! DS3 |
| 4 juni 2021 | 20:00 | Blue Birds HS1 | Zwijndrecht HS1 |
| 4 juni 2021 | 21:00 | Birds HS1 | Blue Birds HS2 |
| 5 juni 2021 | 10:00 | Blue Birds JH2 | Rascals JH1 |
| 5 juni 2021 | 10:00 | Alphians AH1 | Blue Birds AH2 |
| 5 juni 2021 | 10:30 | Adegeest AH1 | Blue Birds AH1 |
| 5 juni 2021 | 14:30 | Blue Birds PH1 | Wassenaar/ABF PH1 |
| 6 juni 2021 | 10:00 | Blue Birds H3 | Batters H2 |
| 6 juni 2021 | 10:00 | Schiedam PS1 | Blue Birds PS1 |
| 6 juni 2021 | 10:00 | Ridderkerk Rowdies H3 | Blue Birds H1 |
| 6 juni 2021 | 10:00 | Hellevoet Athletics JH1 | Blue Birds JH1 |
| 6 juni 2021 | 10:00 | Catch PH1 | Blue Birds PH2 |
| 6 juni 2021 | 11:00 | HSCN DS1 | Blue Birds DS1 |
| 6 juni 2021 | 12:00 | Catch AH1 | Blue Birds AH3 |
| 6 juni 2021 | 12:30 | Blue Birds JS1 | Storks JS2 |
| 7 juni 2021 | 19:30 | Blue Birds HS2 | Hitmanics HS2 |
| 11 juni 2021 | 19:30 | Blue Birds DS2 | Red Lions DS2 |
| 12 juni 2021 | 10:00 | Blue Birds BM1 | Catch BM1 |
| 12 juni 2021 | 10:00 | Blue Birds PS1 | Saints PS1 |
| 12 juni 2021 | 10:00 | Alphians AH1 | Blue Birds AH3 |
| 12 juni 2021 | 11:30 | Braves AH2 | Blue Birds AH2 |
| 12 juni 2021 | 13:00 | Blue Birds JH1 | Neptunus JH2 |
| 12 juni 2021 | 14:30 | Blue Birds PH1 | Birds PH2 |
| 13 juni 2021 | 10:00 | Blue Birds H3 | Orioles H4 |
| 13 juni 2021 | 10:00 | Adegeest BM1 | Blue Birds Blaauw |
| 13 juni 2021 | 12:30 | Blue Birds JS1 | Stags JS1 |
| 13 juni 2021 | 14:30 | Blue Birds H1 | Catch H1 |
| 13 juni 2021 | 15:00 | Blue Birds DS1 | Schiedam DS1 |
| 13 juni 2021 | 15:30 | Storks AH1 | Blue Birds AH1 |
| 13 juni 2021 | 15:30 | Storks PH3 | Blue Birds PH2 |
| 18 juni 2021 | 19:00 | Extra Innings HS1 | Blue Birds HS1 |
| 18 juni 2021 | 19:00 | Orioles HS2 | Blue Birds HS2 |
| 18 juni 2021 | 19:30 | Blue Birds DS2 | Alphians DS1 |
| 19 juni 2021 | 10:00 | Neptunus BM1 | Blue Birds BM1 |
| 19 juni 2021 | 12:00 | Catch JS2 | Blue Birds JS1 |
| 19 juni 2021 | 12:30 | Blue Birds AH2 | Orioles AH1 |
| 19 juni 2021 | 13:00 | Stags JH1 | Blue Birds JH2 |
| 19 juni 2021 | 15:00 | Neptunus DS2 | Blue Birds DS1 |
| 20 juni 2021 | 09:00 | Blue Birds PH2 | Storks PH2 |
| 20 juni 2021 | 10:00 | Blue Birds H3 | Stags H2 |
| 20 juni 2021 | 10:00 | Neptunus PS1 | Blue Birds PS1 |
| 20 juni 2021 | 10:00 | Adegeest PH1 | Blue Birds PH1 |
| 20 juni 2021 | 11:00 | Blue Birds AH3 | Braves AH2 |
| 20 juni 2021 | 11:00 | Birds JH1 | Blue Birds JH1 |
| 20 juni 2021 | 11:30 | Alphians Cubs | Blue Birds Blaauw |
| 20 juni 2021 | 13:30 | Blue Birds AH1 | Birds AH1 |
| 21 juni 2021 | 19:30 | Blue Birds HS2 | Hitmanics HS1 |
| 25 juni 2021 | 19:00 | Catch DS2 | Blue Birds DS2 |
| 26 juni 2021 | 10:00 | Blue Birds BM1 | Braves BM1 |
| 26 juni 2021 | 10:00 | Blue Birds PS1 | Birds PS1 |
| 26 juni 2021 | 10:00 | Blue Birds JH2 | Adegeest JH2 |
| 26 juni 2021 | 11:00 | Adegeest JH1 | Blue Birds JH1 |
| 26 juni 2021 | 12:30 | Blue Birds AH2 | Blue Birds AH3 |
| 26 juni 2021 | 14:00 | Braves AH1 | Blue Birds AH1 |
| 26 juni 2021 | 14:30 | Blue Birds PH1 | Alphians PH1 |
| 27 juni 2021 | 10:00 | Blue Birds Blaauw | Wassenaar/ABF |
| 27 juni 2021 | 10:00 | Batters H2 | Blue Birds H3 |
| 27 juni 2021 | 11:00 | Twins JS1 | Blue Birds JS1 |
| 27 juni 2021 | 11:00 | Red Lions PH1 | Blue Birds PH2 |
| 27 juni 2021 | 14:30 | Blue Birds H1 | Adegeest H2 |
| 27 juni 2021 | 15:00 | Blue Birds DS1 | Cardinals DS1 |
| 28 juni 2021 | 19:30 | Blue Birds HS2 | Braves HS1 |
| 28 juni 2021 | 19:30 | Schiedam DS3 | Blue Birds DS2 |
| 3 juli 2021 | 10:00 | Birds AH2 | Blue Birds AH2 |
| 3 juli 2021 | 10:00 | Alphians PH2 | Blue Birds PH1 |
| 3 juli 2021 | 14:00 | Blue Birds JH1 | Catch JH1 |
| 3 juli 2021 | 18:30 | Starlights DS1 | Blue Birds DS1 |
| 4 juli 2021 | 09:30 | Blue Birds AH3 | Orioles AH1 |
| 4 juli 2021 | 10:00 | Red Lions / Catch | Blue Birds PS1 |
| 4 juli 2021 | 10:00 | Orioles H4 | Blue Birds H3 |
| 4 juli 2021 | 11:00 | Spikes JH1 | Blue Birds JH2 |
| 4 juli 2021 | 12:00 | Blue Birds JS1 | Ducks JS1 |
| 4 juli 2021 | 14:00 | Blue Birds AH1 | Vennep Flyers AH2 |
| 4 juli 2021 | 14:00 | Gophers H1 | Blue Birds H1 |
| 9 juli 2021 | 19:30 | Blue Birds DS2 | Adegeest DS3 |
| 9 juli 2021 | 19:30 | VUC HS1 | Blue Birds HS1 |
| 9 juli 2021 | 21:00 | Catch HS1 | Blue Birds HS2 |
| 10 juli 2021 | 10:00 | Blue Birds PS1 | Schiedam PS1 |
| 10 juli 2021 | 10:00 | Wassenaar/ABF AH1 | Blue Birds AH1 |
| 10 juli 2021 | 10:00 | Orioles PH1 | Blue Birds PH1 |
| 10 juli 2021 | 12:30 | Blue Birds AH2 | Red Lions AH1 |
| 10 juli 2021 | 13:00 | Blue Birds JH1 | Storks JH3 |
| 10 juli 2021 | 13:30 | Saints JS1 | Blue Birds JS1 |
| 11 juli 2021 | 10:00 | Blue Birds PH2 | Birds PH3 |
| 11 juli 2021 | 10:00 | Vlaardingen Holy JH1 | Blue Birds JH2 |
| 11 juli 2021 | 10:30 | Stags H2 | Blue Birds H3 |
| 11 juli 2021 | 12:00 | Blue Birds AH3 | Birds AH2 |
| 11 juli 2021 | 14:30 | Blue Birds H1 | Saints H2 |
| 11 juli 2021 | 15:00 | Blue Birds DS1 | Adegeest DS2 |
| 23 augustus 2021 | 19:00 | Orioles DS2 | Blue Birds DS2 |
| 27 augustus 2021 | 20:00 | Blue Birds HS1 | Spikes HS2 |
| 28 augustus 2021 | 10:00 | Blue Birds JH2 | Portland Poema's JH1 |
| 28 augustus 2021 | 10:30 | Red Lions AH1 | Blue Birds AH3 |
| 28 augustus 2021 | 11:00 | Schiedam JH1 | Blue Birds JH1 |
| 29 augustus 2021 | 10:00 | Blue Birds H3 | Batters H2 |
| 29 augustus 2021 | 11:00 | ROEF! DS3 | Blue Birds DS1 |
| 29 augustus 2021 | 12:00 | Catch AH1 | Blue Birds AH2 |
| 29 augustus 2021 | 12:30 | Blue Birds JS1 | Orioles JS1 |
| 29 augustus 2021 | 14:00 | Neptunus H4 | Blue Birds H1 |
| 30 augustus 2021 | 19:00 | Blue Birds HS2 | Red Lions HS2 |
| 3 september 2021 | 19:30 | Blue Birds DS2 | Wassenaar DS2 |
| 3 september 2021 | 19:30 | Storks HS1 | Blue Birds HS1 |
| 4 september 2021 | 10:00 | Storks JS2 | Blue Birds JS1 |
| 4 september 2021 | 11:00 | Wizards of Boz JH1 | Blue Birds JH2 |
| 4 september 2021 | 12:30 | Blue Birds AH2 | Alphians AH1 |
| 4 september 2021 | 14:00 | Blue Birds JH1 | Ridderkerk Rowdies JH1 |
| 5 september 2021 | 10:00 | Blue Birds AH3 | Catch AH1 |
| 5 september 2021 | 10:00 | Blue Birds H3 | Orioles H4 |
| 5 september 2021 | 12:30 | Blue Birds AH1 | Adegeest AH1 |
| 5 september 2021 | 14:30 | Blue Birds H1 | Wassenaar H2 |
| 5 september 2021 | 15:00 | Blue Birds DS1 | HSCN DS1 |
| 10 september 2021 | 18:30 | Storks DS2 | Blue Birds DS2 |
| 10 september 2021 | 18:30 | Storks HS3 | Blue Birds HS2 |
| 10 september 2021 | 20:00 | Blue Birds HS1 | Storks HS2 |
| 11 september 2021 | 10:00 | Blue Birds JH2 | Braves JH2 |
| 11 september 2021 | 10:00 | Stags JS1 | Blue Birds JS1 |
| 11 september 2021 | 12:00 | Braves JH1 | Blue Birds JH1 |
| 11 september 2021 | 12:30 | Blue Birds AH2 | Braves AH2 |
| 11 september 2021 | 16:00 | Schiedam DS1 | Blue Birds DS1 |
| 12 september 2021 | 10:00 | Blue Birds AH3 | Alphians AH1 |
| 12 september 2021 | 10:00 | Blue Birds H3 | Stags H2 |
| 12 september 2021 | 10:00 | Schiedam H3 | Blue Birds H1 |
| 12 september 2021 | 12:30 | Blue Birds AH1 | Storks AH1 |
| 13 september 2021 | 19:00 | Blue Birds HS2 | Adegeest HS3 |
| 18 september 2021 | 10:00 | Orioles JH1 | Blue Birds JH2 |
| 18 september 2021 | 10:00 | Birds AH1 | Blue Birds AH1 |
| 18 september 2021 | 11:00 | Braves AH2 | Blue Birds AH3 |
| 18 september 2021 | 13:00 | Blue Birds JH1 | Hellevoet Athletics JH1 |
| 18 september 2021 | 13:30 | Orioles AH1 | Blue Birds AH2 |
| 19 september 2021 | 10:00 | Batters H2 | Blue Birds H3 |
| 19 september 2021 | 12:30 | Blue Birds JS1 | Catch JS2 |
| 19 september 2021 | 14:30 | Blue Birds H1 | Ridderkerk Rowdies H3 |
| 20 september 2021 | 19:00 | Hitmanics HS2 | Blue Birds HS2 |
| 24 september 2021 | 21:00 | Adegeest HS1 | Blue Birds HS1 |
| 25 september 2021 | 10:00 | Blue Birds JH2 | Boosters JH1 |
| 25 september 2021 | 10:00 | Neptunus JH2 | Blue Birds JH1 |
| 26 september 2021 | 10:00 | Blue Birds AH3 | Blue Birds AH2 |
| 26 september 2021 | 10:00 | Orioles H4 | Blue Birds H3 |
| 26 september 2021 | 12:30 | Blue Birds JS1 | Twins JS1 |
| 26 september 2021 | 14:30 | Blue Birds AH1 | Braves AH1 |
| 26 september 2021 | 15:00 | Blue Birds DS1 | Neptunus DS2 |
| 26 september 2021 | 15:30 | Catch H1 | Blue Birds H1 |
| 26 september 2021 | 16:00 | Red Lions DS2 | Blue Birds DS2 |
| 2 oktober 2021 | 11:00 | Vennep Flyers AH2 | Blue Birds AH1 |
| 2 oktober 2021 | 12:30 | Blue Birds AH2 | Birds AH2 |
| 2 oktober 2021 | 13:00 | Blue Birds JH1 | Birds JH1 |
| 2 oktober 2021 | 13:30 | Orioles AH1 | Blue Birds AH3 |
| 2 oktober 2021 | 15:00 | Ducks JS1 | Blue Birds JS1 |