Stadium: Court 1 Round: 25 Ground: Clay
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/31 06:20 | Marsel Ilhan v Daisuke Sumizawa | 6-4,6-2 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/30 02:30 | Daisuke Sumizawa v Green, Cameron | 6-4,5-7,10-8 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/29 05:00 | Daisuke Sumizawa v Ng, Hao Yuan | 2-6,6-3,10-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/24 02:00 | Daisuke Sumizawa v Sergey Fomin | 3-6,1-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/23 03:45 | Daisuke Sumizawa v Krittin Koaykul | 6-4,1-6,11-9 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/22 08:50 | Daisuke Sumizawa v Borisutpong, Pattanapong | 6-2,6-4 |
| Qujing, Simples M-ITF-CHN-13A | 2019/07/11 03:20 | Rio Noguchi v Daisuke Sumizawa | 6-3,6-0 |
| Qujing, Simples M-ITF-CHN-13A | 2019/07/09 04:30 | Qiu, Zhuoyang v Daisuke Sumizawa | 1-6,0-6 |
| Coupe Davis | 2019/09/13 08:00 | Ivanov, Vladimir v Robert Strombachs | 7-6,4-6,6-3 |
| Coupe Davis | 2019/09/12 08:00 | Ivanov, Vladimir v Cungu, Rrezart | 6-1,6-3 |
| Irpin, Singles Qualifying M-ITF-UKR-05A | 2019/08/27 07:30 | Zopp, Jurgen v Ivanov, Vladimir | 6-4,6-1 |
| ITF M15 Helsinki | 2019/08/23 10:40 | Ivanov, Vladimir v Niklas-Salminen, Patrick | 4-6,7-5,2-6 |
| ITF M15 Helsinki | 2019/08/22 10:00 | Ivanov, Vladimir v Vasa, Iiro | 6-3,6-3 |
| ITF M15 Helsinki | 2019/08/21 11:30 | Ivanov, Vladimir v Gorazd Srbljak | 6-4,6-3 |
| ITF M15 Parnu | 2019/07/19 08:00 | Alexander Shevchenko v Ivanov, Vladimir | 6-4,6-3 |
| ITF M15 Parnu | 2019/07/18 13:40 | Ivanov, Vladimir v Denis Klok | 7-6,6-3 |