Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/08/20 14:00 | Mwendwa Mbithi v Nathan Han | 6-3,3-6,6-1 |
| ITF M15 Cancun | 2019/08/12 17:00 | Logan Smith v Nathan Han | 7-6,6-3 |
| ITF M15 Cancun | 2019/08/12 14:00 | Nathan Han v Francisco Erramuspe | 6-0,6-1 |
| ITF USA F21 Qual | 2017/06/26 17:35 | Or Ram-Harel v Nathan Han | 6-3,6-2 |
| ITF USA F21 Qual | 2017/06/25 14:00 | Conner McMann v Nathan Han | 4-6,5-7 |
| ITF M15 Fayetteville | 2019/09/15 15:00 | Jose Dominguez Alonso v Ivailo Keremedchiev | 5-7,6-2,4-10 |
| ITF M15 Novi Sad | 2019/08/13 09:10 | Chuhan Wang v Ivailo Keremedchiev | 6-0,6-3 |
| ITF M15 Novi Sad | 2019/08/12 10:30 | Ivailo Keremedchiev v Strahinja Rakic | 6-4,5-7,10-8 |
| ITF M15 Plovdiv | 2019/06/04 06:30 | Ivailo Keremedchiev v Kenneth Raisma | 6-3,2-6,7-10 |
| ITF Qatar F6 | 2018/12/17 11:50 | Ivailo Keremedchiev v Jesper De Jong | 1-6,0-6 |
| ITF Qatar F6 | 2018/12/16 16:20 | Abhinav Sanjeev Shanmugam v Ivailo Keremedchiev | 3-6,2-6 |
| ITF Qatar F5 | 2018/12/09 12:00 | Ivailo Keremedchiev v Constantin Schmitz | 6-7,4-6 |
| ITF Qatar F5 | 2018/12/08 08:00 | Ivailo Keremedchiev v Abdullah S Alharrasi | 6-1,6-0 |