Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Prague | 2021/05/10 10:30 | Renta Tokuda v Yann Wojcik | 4-6,6-4,10-5 |
| ITF M15 Monastir | 2021/03/26 10:15 | Mohamed Aziz Dougaz v Renta Tokuda | 7-6,6-1 |
| ITF M15 Monastir | 2021/03/25 10:10 | Hazem Naw v Renta Tokuda | 4-6,6-1,6-7 |
| ITF M15 Monastir | 2021/03/24 08:30 | Aristotelis Thanos v Renta Tokuda | 4-6,5-7 |
| ITF M15 Monastir | 2021/03/18 08:25 | Igor Marcondes v Renta Tokuda | 6-4,3-6,6-1 |
| ITF M15 Monastir | 2021/03/16 08:30 | Tomas Lipovsek Puches v Renta Tokuda | 4-6,0-6 |
| ITF M15 Monastir | 2021/03/11 08:30 | Aziz Ouakaa v Renta Tokuda | 4-6,4-6 |
| ITF M15 Monastir | 2021/03/10 08:30 | Kento Takeuchi v Renta Tokuda | 5-7,2-6 |
| ITF M25 Prague | 2021/05/10 08:00 | Peter Goldsteiner v Aidan Mchugh | 5-7,7-5,11-9 |
| ITF M25 Prague | 2021/05/09 11:00 | Krystof Zapsky v Peter Goldsteiner | 3-6,4-6 |
| ITF M15 Sibenik | 2021/04/21 11:20 | Aldin Setkic v Peter Goldsteiner | 6-2,6-4 |
| ITF M15 Sibenik | 2021/04/20 08:00 | Peter Goldsteiner v Luigi Castelletti | 7-5,1-6,12-10 |
| ITF M15 Sibenik | 2021/04/19 07:55 | Peter Goldsteiner v Lovre Erceg | 6-1,6-0 |
| ITF M15 Opatija | 2021/03/23 09:00 | Giacomo Dambrosi v Peter Goldsteiner | 6-3,6-2 |
| ITF M15 Opatija | 2021/03/22 08:00 | Mate Voros v Peter Goldsteiner | 2-6,5-7 |
| ITF M15 Opatija | 2021/03/21 08:00 | Anze Arh v Peter Goldsteiner | 6-0,2-6,6-10 |