Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/06/11 08:30 | Ji Sung Nam v Jeremy Beale | 1-6,6-1,6-7 |
| ITF M15 Monastir | 2021/06/10 08:25 | Ji Sung Nam v Erik Crepaldi | 6-4,7-5 |
| ITF M15 Monastir | 2021/06/09 11:15 | Ji Sung Nam v Devin Badenhorst | 6-7,6-2,7-6 |
| ATP Great Ocean Road Open | 2021/02/02 01:00 | Ji Sung Nam v Dane Sweeny | 6-7,5-7 |
| ATP Delray Beach | 2021/01/07 17:30 | Tommy Paul v Ji Sung Nam | 6-1,6-4 |
| Davis Cup | 2020/03/06 14:10 | Gianluca Mager v Ji Sung Nam | 6-3,7-5 |
| Challenger Columbus | 2020/02/27 17:10 | Ji Sung Nam v Marc Polmans | 3-6,5-7 |
| Challenger Columbus | 2020/02/26 18:25 | Ji Sung Nam v Lloyd Glasspool | 6-3,6-2 |
| ITF M15 Monastir | 2021/06/14 13:30 | Aidan Mayo v Oscar Weightman | 6-2,4-6,10-7 |
| ITF M15 Monastir | 2021/06/13 10:00 | Berk Ilkel v Aidan Mayo | 4-6,6-2,5-10 |
| ITF M15 Novomoskovsk | 2021/06/03 12:15 | Ivan Nedelko v Aidan Mayo | 6-2,6-3 |
| ITF M15 Tbilisi | 2021/05/20 09:40 | Aidan Mayo v Marek Gengel | 3-6,2-6 |
| ITF M15 Tbilisi | 2021/05/18 07:00 | Aidan Mayo v Saba Purtseladze | 6-2,6-4 |
| ITF M15 Jerusalem | 2021/05/13 10:15 | Aidan Mayo v Ben Patael | 4-6,3-6 |
| ITF M15 Jerusalem | 2021/05/12 08:40 | Kelsey Stevenson v Aidan Mayo | 4-6,0-6 |
| ITF M15 Ramat Hasharon | 2021/05/05 13:05 | Filip Bergevi v Aidan Mayo | 6-3,6-7,7-6 |