Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Most | 2022/05/15 08:00 | James Markiewicz v Filip Kana | 6-7,7-6,3-10 |
| ITF M15 Sharm El Sheikh | 2022/04/03 11:30 | James Markiewicz v Junhyun Lee | 4-6,6-3,5-10 |
| ITF M15 Sharm El Sheikh | 2022/03/28 07:30 | Lukas Pokorny v James Markiewicz | 6-1,3-6,10-7 |
| ITF M15 Sharm El Sheikh | 2022/03/27 07:00 | James Markiewicz v Patric Prinoth | 6-4,6-1 |
| ITF M15 Sharm El Sheikh | 2022/03/20 07:00 | James Markiewicz v Ali Habib | 3-6,4-6 |
| ITF M15 Heraklion | 2021/11/21 11:00 | Alec Deckers v James Markiewicz | 6-4,6-4 |
| ITF M15 Heraklion | 2021/11/14 11:00 | Eduardo Cohen v James Markiewicz | 6-3,6-4 |
| ITF Germany F4 | 2018/06/16 08:00 | Ondrej Krstev v James Markiewicz | 6-1,6-2 |
| ITF M25 Wroclaw | 2022/06/26 08:00 | Frederic Vogeli v Robert Shelton | 7-5,6-1 |
| UTR Pro Tennis Series California | 2022/04/03 16:30 | Robert Shelton v Aadarsh Tripathi | 6-2,1-6,1-5 |
| UTR Pro Tennis Series California | 2022/04/02 15:00 | Robert Shelton v Conrad Brown | 4-6,6-4,6-3 |
| UTR Pro Tennis Series California | 2022/03/31 21:34 | Robert Shelton v Kalman Boyd | 0-6,1-6 |
| UTR Pro Tennis Series California | 2022/03/30 18:00 | Robert Shelton v Arthur Bellegy | 2-6,5-7 |
| UTR Pro Tennis Series California | 2022/03/29 19:30 | Robert Shelton v Alessandro-D Ventre | 6-1,6-6 |
| UTR Pro Tennis Series California | 2022/03/29 18:00 | Robert Shelton v Elijah Strode | 6-1,6-1 |
| ITF M25 Malibu | 2019/11/04 17:00 | Andrea Bolla v Robert Shelton | 7-5,6-7,10-6 |