Estádio: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 Vic | 2021/05/16 07:00 | Vicente O Moratalla v Rafael Giotis | 6-3,6-4 |
| ITF - M15 Valldoreix | 2021/05/09 13:00 | Francisco Cabral v Rafael Giotis | 7-5,6-0 |
| ITF - M15 Las Palmas | 2021/04/26 10:30 | Inaki Cabrera Bello v Rafael Giotis | 6-3,6-4 |
| ITF - M15 Las Palmas | 2021/04/25 14:30 | Rafael Giotis v Martin Breysach | 5-7,6-2,10-4 |
| ITF - M25 Reus | 2021/04/11 07:00 | Kenny de Schepper v Rafael Giotis | 6-3,6-4 |
| ITF - M15 Antália | 2021/03/30 07:00 | Vlad Andrei Dancu v Rafael Giotis | 0-6,7-6,10-2 |
| ITF - M15 Antália | 2021/03/29 07:00 | Rafael Giotis v Arsenije Zlatanovic | 6-3,6-1 |
| ITF - M15 Antália | 2021/03/28 06:30 | Rafael Giotis v Carlo Alberto Fossati | 7-5,4-6,10-4 |
| ITF - M15 Novomoskovsk | 2021/05/30 06:15 | Roman Boychuk v Keenan Mayo | 6-0,6-1 |
| ITF - M15 Novomoskovsk | 2021/05/24 13:30 | Cengiz Aksu v Keenan Mayo | 6-4,6-2 |
| ITF - M15 Novomoskovsk | 2021/05/23 10:30 | Keenan Mayo v Rostislav Galfinger | 3-6,6-4,10-8 |
| ITF - M15 Tbilisi | 2021/05/19 07:25 | Keenan Mayo v Markos Kalovelonis | 4-6,7-6,3-6 |
| ITF - M15 Tbilisi | 2021/05/17 05:30 | Keenan Mayo v Nikoloz Davlianidze | 6-7,6-4,10-5 |
| ITF - M15 Jerusalém | 2021/05/12 09:35 | Keenan Mayo v Alexander Cozbinov | 2-6,6-4,2-6 |
| ITF - M15 Jerusalém | 2021/05/11 06:30 | Keenan Mayo v Omer Yeshaya | 7-6,6-4 |
| ITF - M15 Jerusalém | 2021/05/10 11:00 | Keenan Mayo v Ron Ellouck | 6-1,1-6,10-7 |