Australia: Australian Open - Singles - Main |
| 1/16-finals | Fucsovics M. | Raonic M. | 1:3 (62:7, 7:5, 2:6, 2:6) | details | 12.02.2021 |
| 1/32-finals | Wawrinka S. | Fucsovics M. | 2:3 (5:7, 1:6, 6:4, 6:2, 69:7) | details | 10.02.2021 |
| 1/64-finals | Fucsovics M. | Polmans M. | 3:2 (4:6, 6:3, 6:1, 63:7, 6:3) | details | 08.02.2021 |
Australia: Melbourne (Murray River Open) - Singles - Main |
| 1/16-finals | Fucsovics M. | Gerasimov E. | 1:2 (3:6, 6:1, 3:6) | details | 03.02.2021 |
| 1/32-finals | Fucsovics M. | Cecchinato M. | 2:0 (7:68, 6:3) | details | 01.02.2021 |
Bulgaria: Sofia - Singles - Main |
| 1/16-finals | Fucsovics M. | Sinner J. | 0:2 (2:6, 4:6) | details | 10.11.2020 |
France: Paris - Singles - Main |
| 1/32-finals | Fucsovics M. | Coric B. | 0:2 (65:7, 1:6) | details | 02.11.2020 |
France: Paris - Singles - Qualification |
| Final | Fucsovics M. | Pospisil V. | 2:1 (4:6, 7:63, 6:2) | details | 01.11.2020 |
| Semi-finals | Fucsovics M. | Cazaux A. | 2:0 (6:3, 6:1) | details | 31.10.2020 |
Germany: Cologne - Singles - Main |
| 1/16-finals | Simon G. | Fucsovics M. | 2:0 (6:0, 6:3) | details | 13.10.2020 |
France: French Open - Singles - Main |
| 1/8-finals | Fucsovics M. | Rublev A. | 1:3 (7:64, 5:7, 4:6, 63:7) | details | 05.10.2020 |
| 1/16-finals | Fucsovics M. | Monteiro T. | 3:0 (7:5, 6:1, 6:3) | details | 03.10.2020 |
| 1/32-finals | Fucsovics M. | Ramos A. | 3:0 (7:62, 6:3, 7:5) | details | 01.10.2020 |
| 1/64-finals | Medvedev D. | Fucsovics M. | 1:3 (4:6, 63:7, 6:2, 1:6) | details | 28.09.2020 |
USA: US Open - Singles - Main |
| 1/16-finals | Fucsovics M. | Tiafoe F. | 0:3 (2:6, 3:6, 2:6) | details | 05.09.2020 |
| 1/32-finals | Dimitrov G. | Fucsovics M. | 2:3 (7:65, 64:7, 6:3, 4:6, 1:6) | details | 03.09.2020 |
| 1/64-finals | Fucsovics M. | Dellien H. | 3:0 (6:3, 6:3, 6:1) | details | 02.09.2020 |
USA: Cincinnati - Singles - Main |
| 1/8-finals | Fucsovics M. | Krajinovic F. | 0:2 (2:6, 1:6) | details | 26.08.2020 |
| 1/16-finals | Dimitrov G. | Fucsovics M. | 1:2 (5:7, 6:4, 2:6) | details | 25.08.2020 |
| 1/32-finals | Fucsovics M. | Gombos N. | 2:0 (6:3, 6:4) | details | 23.08.2020 |
USA: Cincinnati - Singles - Qualification |
| Final | Martinez P. | Fucsovics M. | 0:2 (1:6, 2:6) | details | 21.08.2020 |
| Semi-finals | Nakashima B. | Fucsovics M. | 0:2 (2:6, 4:6) | details | 20.08.2020 |
World: Others matches - Singles - Main |
| | Fucsovics M. | Marozsan F. | 0:2 (1:4, 31:4) | details | 24.05.2020 |
| | Fucsovics M. | Stakhovsky S. | 2:0 (4:1, 4:2) | details | 23.05.2020 |
| | Fucsovics M. | Nagy P. | 2:0 (4:31, 4:2) | details | 22.05.2020 |
World: Davis Cup - World Group - Singles - Qualification |
| | Fucsovics M. | Bemelmans R. | 2:1 (67:7, 6:4, 6:2) | details | 07.03.2020 |
| | Fucsovics M. | Coppejans K. | 2:1 (6:2, 5:7, 6:4) | details | 06.03.2020 |
United Arab Emirates: Dubai - Singles - Main |
| 1/16-finals | Monfils G. | Fucsovics M. | 2:0 (6:4, 7:5) | details | 24.02.2020 |
France: Marseille - Singles - Main |
| 1/16-finals | Fucsovics M. | Bublik A. | 0:2 (4:6, 5:7) | details | 17.02.2020 |
Netherlands: Rotterdam - Singles - Main |
| 1/16-finals | Bautista-Agut R. | Fucsovics M. | 2:1 (4:6, 7:61, 6:1) | details | 10.02.2020 |
Netherlands: Rotterdam - Singles - Qualification |
| Final | Fucsovics M. | Popyrin Al. | 2:0 (6:2, 6:1) | details | 09.02.2020 |
Australia: Australian Open - Singles - Main |
| 1/8-finals | Fucsovics M. | Federer R. | 1:3 (6:4, 1:6, 2:6, 2:6) | details | 26.01.2020 |
| 1/16-finals | Fucsovics M. | Paul T. | 3:0 (6:1, 6:1, 6:4) | details | 24.01.2020 |
Australia: Bendigo - Singles - Main |
| 1/16-finals | Fucsovics M. | Vavassori A. | 0:0 RET. (4:5) | details | 14.01.2020 |
Qatar: Doha - Singles - Main |
| Quarter-finals | Fucsovics M. | Kecmanovic M. | 0:2 (2:6, 0:6) | details | 09.01.2020 |
| 1/8-finals | Fucsovics M. | Ilkel C. | 2:0 (6:1, 6:4) | details | 08.01.2020 |
| 1/16-finals | Tiafoe F. | Fucsovics M. | 1:2 (4:6, 6:4, 4:6) | details | 07.01.2020 |
Qatar: Doha - Singles - Qualification |
| Final | Fucsovics M. | Vesely J. | 2:1 (4:6, 6:1, 6:4) | details | 05.01.2020 |
| Semi-finals | Fucsovics M. | Gerasimov E. | 2:1 (6:4, 1:6, 6:3) | details | 04.01.2020 |