 USA: US Open - Singles - Main |
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| 1/64-finals | Harris L. | Pella G. | 3:0 (7:65, 6:4, 6:4) | details | 30.08.2023 |
 Austria: Kitzbuhel - Singles - Main |
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| 1/16-finals | Pella G. | Carballes Baena R. | 0:2 (2:6, 4:6) | details | 31.07.2023 |
 Germany: Hamburg - Singles - Main |
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| 1/8-finals | Djere L. | Pella G. | 2:1 (6:2, 3:6, 6:3) | details | 26.07.2023 |
| 1/16-finals | Monteiro T. | Pella G. | 1:2 (3:6, 6:4, 4:6) | details | 24.07.2023 |
| 1/16-finals | Ruusuvuori E. | Pella G. | CAN. | details | 24.07.2023 |
 United Kingdom: Wimbledon - Singles - Main |
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| 1/16-finals | Pella G. | Safiullin R. | 0:3 (61:7, 4:6, 0:6) | details | 07.07.2023 |
| 1/32-finals | Pella G. | Mayot H. | 3:1 (2:6, 6:3, 7:63, 7:5) | details | 06.07.2023 |
| 1/64-finals | Coric B. | Pella G. | 2:3 (3:6, 5:7, 6:4, 6:3, 1:6) | details | 05.07.2023 |
 Spain: Mallorca - Singles - Main |
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| 1/8-finals | Mannarino A. | Pella G. | 2:1 (3:6, 7:65, 6:3) | details | 27.06.2023 |
| 1/16-finals | Pella G. | Giron M. | 2:1 (3:6, 6:2, 7:63) | details | 25.06.2023 |
 France: French Open - Singles - Main |
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| 1/32-finals | Pella G. | Seyboth Wild T. | 1:3 (3:6, 6:3, 4:6, 3:6) | details | 01.06.2023 |
| 1/64-finals | Halys Q. | Pella G. | 2:3 (4:6, 7:67, 6:2, 64:7, 64:7) | details | 30.05.2023 |
 Switzerland: Geneva - Singles - Main |
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| 1/16-finals | Pella G. | Ivashka I. | 0:2 (4:6, 5:7) | details | 23.05.2023 |
 Italy: Rome - Singles - Main |
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| 1/32-finals | Pella G. | Davidovich Fokina A. | 0:2 (0:6, 64:7) | details | 13.05.2023 |
| 1/64-finals | Pella G. | Cressy M. | 2:0 (6:3, 6:4) | details | 11.05.2023 |
| USA: Miami - Singles - Main |
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| 1/32-finals | Pella G. | Shapovalov D. | 1:2 (3:6, 6:3, 3:6) | details | 24.03.2023 |
| 1/64-finals | Pella G. | Varillas J. P. | 2:1 (1:6, 6:3, 6:2) | details | 22.03.2023 |
| USA: Indian Wells - Singles - Main |
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| 1/32-finals | Pella G. | Griekspoor T. | 0:2 (63:7, 64:7) | details | 12.03.2023 |
| 1/64-finals | Monteiro T. | Pella G. | 1:2 (6:3, 5:7, 2:6) | details | 09.03.2023 |
 Argentina: Buenos Aires - Singles - Main |
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| 1/16-finals | Munar J. | Pella G. | 2:0 (6:4, 7:5) | details | 14.02.2023 |
| Argentina: Cordoba - Singles - Main |
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| 1/8-finals | Pella G. | Dellien H. | 0:2 (3:6, 4:6) | details | 09.02.2023 |
| 1/16-finals | Pella G. | Vavassori A. | 2:0 (6:2, 6:2) | details | 08.02.2023 |
 Australia: Australian Open - Singles - Main |
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| 1/64-finals | Cerundolo F. | Pella G. | 3:0 (6:4, 6:4, 6:3) | details | 16.01.2023 |
 Uruguay: Montevideo - Singles - Main |
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| 1/16-finals | Cerundolo J. M. | Pella G. | 2:0 (7:5, 6:3) | details | 08.11.2022 |
 Russia: Moscow - Singles - Main |
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| 1/16-finals | Pella G. | Martinez P. | 0:1 RET. (2:6, 0:0) | details | 19.10.2021 |
| USA: Indian Wells - Singles - Main |
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| 1/32-finals | Pella G. | Bautista-Agut R. | 0:2 (5:7, 3:6) | details | 09.10.2021 |
| 1/64-finals | Kwon S. | Pella G. | 1:2 (6:1, 3:6, 4:6) | details | 07.10.2021 |
 World: Davis Cup - World Group I - Singles - Main |
|---|
| | Pella G. | Ostapenkov D. | CAN. | details | 19.09.2021 |
| | Pella G. | Arutiunian E. | 2:0 (6:1, 6:2) | details | 18.09.2021 |
| USA: US Open - Singles - Main |
|---|
| 1/32-finals | Tiafoe F. | Pella G. | 3:0 (6:1, 6:2, 7:5) | details | 01.09.2021 |
| 1/64-finals | Pella G. | Krajinovic F. | 3:1 (62:7, 6:3, 6:2, 6:2) | details | 31.08.2021 |
| USA: Winston-Salem - Singles - Main |
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| 1/32-finals | Thompson J. | Pella G. | 2:1 (6:1, 1:6, 6:3) | details | 23.08.2021 |
| USA: Cincinnati - Singles - Main |
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| 1/8-finals | Pella G. | Zverev A. | 0:2 (2:6, 3:6) | details | 19.08.2021 |
| 1/16-finals | Pella G. | Fognini F. | 2:0 (6:1, 7:5) | details | 18.08.2021 |
| 1/32-finals | Goffin D. | Pella G. | 0:2 (3:6, 3:6) | details | 16.08.2021 |
| United Kingdom: Wimbledon - Singles - Main |
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| 1/64-finals | Berrettini M. | Pella G. | 3:1 (6:4, 3:6, 6:4, 6:0) | details | 30.06.2021 |