Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 - Monastir | 2021/06/14 13:30 | Alexander Kotzen v Carles Hernandez | 7-6,5-7,9-11 |
| ITF - M15 - Monastir | 2021/06/14 09:00 | Alexander Kotzen v Alex Jones | 6-2,6-4 |
| ITF - M15 - Monastir | 2021/06/13 09:00 | Alexander Kotzen v Victor Gurevich | 6-1,6-1 |
| ITF M15 - New Delhi | 2021/04/02 05:30 | Alexander Kotzen v Oliver Crawford | 4-6,5-7 |
| ITF M15 - New Delhi | 2021/04/01 06:25 | Arjun Kadhe v Alexander Kotzen | 0-6,4-6 |
| ITF M15 - New Delhi | 2021/03/31 04:00 | Alexander Kotzen v Chirag Duhan | 6-3,6-0 |
| ITF M15 - New Delhi | 2021/03/30 04:00 | Alexander Kotzen v Vishnu Vardhan | 6-3,6-3 |
| ITF M15 - New Delhi | 2021/03/28 13:30 | Alexander Kotzen v Shivank Bhatnagar | 6-3,6-2 |
| ITF - M15 - Monastir | 2021/06/14 13:30 | Luis Faria v Keenan Mayo | 6-7,6-3,7-10 |
| ITF - M15 - Monastir | 2021/06/14 09:00 | Keenan Mayo v Vladislav Ivanov | 6-4,6-4 |
| ITF - M15 - Monastir | 2021/06/13 08:00 | Rafael Giotis v Keenan Mayo | 4-6,0-6 |
| 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 |