Stadium: Court 12 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Edwardsville | 2019/08/07 17:10 | Gianni Ross v Alexander Klintcharov | 6-4,6-4 |
| ITF M25 Edwardsville | 2019/08/06 16:40 | Alexander Klintcharov v Jonathan Sorbo | 7-6,6-3 |
| ITF M25 Decatur | 2019/07/30 18:15 | Alfredo Perez v Alexander Klintcharov | 6-4,6-3 |
| ITF M25 Champaign | 2019/07/23 15:00 | Alexander Klintcharov v Trey Hilderbrand | 2-6,6-4,8-10 |
| ITF M25 Iowa City | 2019/07/16 16:55 | Alexander Klintcharov v Gui Gomes | 6-3,6-7,4-10 |
| ITF M15 Norman | 2019/07/11 14:00 | Alexander Klintcharov v Mark Whitehouse | 6-3,4-6,3-6 |
| ITF M15 Norman | 2019/07/10 15:45 | Alexander Klintcharov v Ian Chadwell | 6-4,2-6,6-1 |
| ITF M25 Nonthaburi | 2019/05/30 08:00 | Alexander Klintcharov v Congsup Congcar | 1-6,5-7 |
| ITF M15 Jakarta | 2019/08/12 05:50 | Lucas Vuradin v Shao-Fan Liu | 3-6,6-3,7-10 |
| ITF M15 Jakarta | 2019/08/09 02:30 | Lucas Vuradin v Kuan-Yi Lee | 2-6,7-5,2-6 |
| ITF M15 Jakarta | 2019/08/08 04:40 | Luca Castelnuovo v Lucas Vuradin | 3-6,4-6 |
| ITF M15 Jakarta | 2019/08/07 04:15 | Lucas Vuradin v David Agung Susanto | 6-0,6-4 |
| ITF M15 Jakarta | 2019/08/06 02:30 | Lucas Vuradin v Anthony Susanto | 6-0,6-3 |
| ITF M15 Jakarta | 2019/08/05 06:15 | Lucas Vuradin v Jesse Delaney | 6-4,6-3 |
| ITF M25 Nonthaburi | 2019/07/31 04:40 | Siddharth Vishwakarma v Lucas Vuradin | 6-3,6-4 |
| ITF M25 Nonthaburi | 2019/07/30 04:20 | Lucas Vuradin v Abhinav Sanjeev Shanmugam | 6-4,6-1 |