Stadium: Court 9 Round: 26 Ground: Clay
| ITF M15 Cairo | 2021/09/01 12:00 | Bachmaier, Philip v Shohei Chikami | 6-4,6-3 |
| ITF M15 Bad Waltersdorf | 2021/08/23 15:50 | Rogic Hadzalic, Alen v Bachmaier, Philip | 6-3,7-5 |
| ITF M15 Bad Waltersdorf | 2021/08/23 07:00 | Achondo, Gonzalo v Bachmaier, Philip | 0-6,3-6 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Tomic, David v Bachmaier, Philip | 2-6,2-6 |
| ITF M15 Warmbad-Villach | 2021/08/18 09:40 | Alexander Weis v Bachmaier, Philip | 6-1,7-5 |
| ITF M15 Warmbad-Villach | 2021/08/17 08:00 | Bachmaier, Philip v Ondrej Horak | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Bachmaier, Philip v Achondo, Gonzalo | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/16 07:00 | Bachmaier, Philip v Tomic, David | 6-3,6-1 |
| ITF M15 Cairo | 2021/09/01 09:50 | Akram El Sallaly v Tanuma, Ryota | 2-6,2-6 |
| ITF - M15 Monastir | 2021/07/01 13:00 | Tomas Farjat v Tanuma, Ryota | 6-3,6-1 |
| ITF - M15 Monastir | 2021/06/29 08:30 | Benjamin Winter Lopez v Tanuma, Ryota | 0-6,6-4,3-6 |
| ITF - M15 Monastir | 2021/06/22 08:30 | Alejo Lorenzo Lingua Lavallen v Tanuma, Ryota | 6-1,6-4 |
| ITF - M15 Monastir | 2021/06/16 11:50 | Tanuma, Ryota v Santiago Rodriguez Taverna | 6-3,3-6,3-6 |
| ITF - M15 Monastir | 2021/06/10 10:30 | Guy Orly Iradukunda v Tanuma, Ryota | 2-6,6-4,6-2 |
| ITF - M15 Monastir | 2021/06/01 08:50 | Taisei Ichikawa v Tanuma, Ryota | 7-6,6-3 |
| ITF - M15 Monastir | 2021/03/11 08:30 | Kai Wehnelt v Tanuma, Ryota | 6-1,6-4 |