 France: French Open - Singles - Main |
|---|
| 1/32-finals | Fritz T. | Koepfer D. | 1:3 (3:6, 2:6, 6:3, 4:6) | details | 03.06.2021 |
| 1/64-finals | Fritz T. | Sousa J. | 3:0 (6:4, 6:2, 6:4) | details | 31.05.2021 |
 World: UTS Championship - Singles - Play Offs |
|---|
| Final | Fritz T. | Moutet C. | 1:3 (14:12, 11:15, 12:13, 8:16) | details | 25.05.2021 |
| Semi-finals | Fritz T. | Schwartzman D. | 3:0 (16:14, 14:13, 17:15) | details | 25.05.2021 |
| World: UTS Championship - Singles - Main |
|---|
| Group B | Fritz T. | Medvedev D. | 3:1 (14:19, 15:14, 14:13, 19:9) | details | 25.05.2021 |
| Group B | Fritz T. | Fognini F. | 3:0 (16:14, 12:2, 16:15) | details | 24.05.2021 |
| Group B | Moutet C. | Fritz T. | 3:1 (14:11, 13:12, 14:15, 13:11) | details | 24.05.2021 |
 Italy: Rome - Singles - Main |
|---|
| 1/16-finals | Djokovic N. | Fritz T. | 2:0 (6:3, 7:65) | details | 11.05.2021 |
| 1/32-finals | Evans D. | Fritz T. | 0:2 (3:6, 2:6) | details | 10.05.2021 |
 Spain: Madrid - Singles - Main |
|---|
| 1/32-finals | Fritz T. | Ramos A. | 1:2 (5:7, 7:5, 4:6) | details | 04.05.2021 |
 Monaco: Monte Carlo - Singles - Main |
|---|
| 1/32-finals | Fritz T. | Bautista-Agut R. | 0:2 (2:6, 5:7) | details | 13.04.2021 |
| Italy: Cagliari - Singles - Main |
|---|
| Semi-finals | Sonego L. | Fritz T. | 2:1 (6:4, 5:7, 6:1) | details | 10.04.2021 |
| Quarter-finals | Bedene A. | Fritz T. | 0:2 (3:6, 4:6) | details | 09.04.2021 |
| 1/8-finals | Martin A. | Fritz T. | 0:2 (2:6, 64:7) | details | 07.04.2021 |
 USA: Miami - Singles - Main |
|---|
| 1/8-finals | Fritz T. | Bublik A. | 1:2 (7:65, 3:6, 4:6) | details | 30.03.2021 |
| 1/16-finals | Norrie C. | Fritz T. | 1:2 (4:6, 6:3, 1:6) | details | 29.03.2021 |
| 1/32-finals | Giron M. | Fritz T. | 0:2 (2:6, 2:6) | details | 26.03.2021 |
 United Arab Emirates: Dubai - Singles - Main |
|---|
| 1/8-finals | Fritz T. | Rublev A. | 0:2 (3:6, 1:6) | details | 17.03.2021 |
| 1/16-finals | Fritz T. | Basilashvili N. | 2:1 (4:6, 6:3, 7:64) | details | 16.03.2021 |
 Qatar: Doha - Singles - Main |
|---|
| Semi-finals | Fritz T. | Basilashvili N. | 0:2 (63:7, 1:6) | details | 12.03.2021 |
| Quarter-finals | Fritz T. | Shapovalov D. | 2:1 (5:7, 6:3, 7:5) | details | 11.03.2021 |
| 1/8-finals | Goffin D. | Fritz T. | 1:2 (1:6, 7:5, 69:7) | details | 10.03.2021 |
| 1/16-finals | Sonego L. | Fritz T. | 0:2 (65:7, 4:6) | details | 08.03.2021 |
 Australia: Australian Open - Singles - Main |
|---|
| 1/16-finals | Djokovic N. | Fritz T. | 3:2 (7:61, 6:4, 3:6, 4:6, 6:2) | details | 12.02.2021 |
| 1/32-finals | Opelka R. | Fritz T. | 2:3 (6:4, 66:7, 7:64, 65:7, 2:6) | details | 10.02.2021 |
| 1/64-finals | Ramos A. | Fritz T. | 1:3 (66:7, 6:3, 2:6, 66:7) | details | 08.02.2021 |
| Australia: Melbourne (Murray River Open) - Singles - Main |
|---|
| 1/8-finals | Chardy J. | Fritz T. | 2:0 (6:2, 6:4) | details | 05.02.2021 |
| 1/16-finals | Coria F. | Fritz T. | 0:2 (2:6, 1:6) | details | 03.02.2021 |
| 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 L. | 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 |
