France: Paris - Singles - Main |
| 1/32-finals | Gasquet R. | Fritz T. | 2:1 (6:0, 3:6, 6:3) | details | 03.11.2020 |
Austria: Vienna - Singles - Main |
| 1/16-finals | Coric B. | Fritz T. | 2:0 (6:4, 6:4) | details | 26.10.2020 |
Belgium: Antwerp - Singles - Main |
| 1/8-finals | Fritz T. | Harris G. | 0:2 (5:7, 63:7) | details | 22.10.2020 |
| 1/16-finals | Fritz T. | Opelka R. | 2:0 (7:65, 6:1) | details | 21.10.2020 |
World: Others matches - Singles - Main |
| | Lopez F. | Fritz T. | 0:4 (15:17, 14:16, 13:18, 15:17) | details | 17.10.2020 |
| | Fritz T. | Gasquet R. | 2:3 (15:18, 14:17, 21:12, 19:11, 1:2) | details | 17.10.2020 |
Russia: St. Petersburg - Singles - Main |
| 1/16-finals | Fritz T. | Norrie C. | 1:2 (4:6, 6:4, 3:6) | details | 12.10.2020 |
France: French Open - Singles - Main |
| 1/16-finals | Sonego L. | Fritz T. | 3:0 (7:65, 6:3, 7:617) | details | 02.10.2020 |
| 1/32-finals | Albot R. | Fritz T. | 0:3 (3:6, 2:6, 4:6) | details | 30.09.2020 |
| 1/64-finals | Machac T. | Fritz T. | 2:3 (5:7, 62:7, 6:1, 6:2, 3:6) | details | 27.09.2020 |
Germany: Hamburg - Singles - Main |
| 1/16-finals | Fritz T. | Cuevas P. | 0:2 (4:6, 2:6) | details | 21.09.2020 |
Italy: Rome - Singles - Main |
| 1/32-finals | Fritz T. | Travaglia S. | 0:2 (4:6, 64:7) | details | 14.09.2020 |
USA: US Open - Singles - Main |
| 1/16-finals | Shapovalov D. | Fritz T. | 3:2 (3:6, 6:3, 4:6, 7:65, 6:2) | details | 04.09.2020 |
| 1/32-finals | Simon G. | Fritz T. | 0:3 (5:7, 3:6, 2:6) | details | 02.09.2020 |
| 1/64-finals | Koepfer D. | Fritz T. | 1:3 (7:67, 3:6, 2:6, 4:6) | details | 31.08.2020 |
USA: Cincinnati - Singles - Main |
| 1/16-finals | Fritz T. | Bedene A. | 0:2 (65:7, 5:7) | details | 24.08.2020 |
| 1/32-finals | Harris G. | Fritz T. | 0:2 (1:6, 3:6) | details | 22.08.2020 |
USA: World TeamTennis - Singles - Main |
| | Sock J. | Fritz T. | 1:0 (5:43) | details | 01.08.2020 |
| | Fritz T. | Blanch U. | 1:0 (5:1) | details | 31.07.2020 |
| | Fritz T. | Sock J. | CAN. | details | 31.07.2020 |
| | Nakashima B. | Fritz T. | 0:1 (41:5, 6:7) | details | 29.07.2020 |
| | Fritz T. | Harrison R. | 1:0 (5:3) | details | 28.07.2020 |