[270] Guilherme Clezar 3-6,1-6 Denis Istomin [165] 2020-01-20 20:45
Stadium: Court 5 Round: 26 Ground: Hardcourt indoor
Home History
| Challenger Ortisei | 2019/11/12 09:00 | Guilherme Clezar v Uladzimir Ignatik | 4-6,7-6,1-6 |
| Challenger Montevideo | 2019/11/07 17:00 | Andrea Collarini v Guilherme Clezar | 6-3,6-4 |
| Challenger Montevideo | 2019/11/06 14:00 | Guilherme Clezar v Thiago Monteiro | 7-6,6-7,6-3 |
| Challenger Montevideo | 2019/11/05 14:00 | Alejandro Tabilo v Guilherme Clezar | 6-3,3-6,3-6 |
| Challenger Guayaquil | 2019/10/29 20:25 | Guilherme Clezar v Yannick Hanfmann | 3-6,3-6 |
| Challenger Guayaquil | 2019/10/28 16:00 | Nicolas Alvarez v Guilherme Clezar | 2-6,3-6 |
| Challenger Lima | 2019/10/24 00:00 | Juan Pablo Varillas v Guilherme Clezar | 7-5,6-2 |
| Challenger Lima | 2019/10/22 15:00 | Guilherme Clezar v Jorge Panta | 6-2,6-3 |
Away History
| Challenger Bangkok | 2020/01/15 04:30 | Borna Gojo v Denis Istomin | 6-3,6-0 |
| Challenger Bangkok | 2020/01/14 04:45 | Jack Draper v Denis Istomin | 4-6,2-6 |
| Australian Open WC | 2019/12/04 04:00 | Yunseong Chung v Denis Istomin | 7-5,6-3 |
| Challenger Liuzhou | 2019/10/27 03:00 | Denis Istomin v Alejandro Davidovich Fokina | 3-6,7-5,6-7 |
| Challenger Liuzhou | 2019/10/25 03:55 | Tung-Lin Wu v Denis Istomin | 2-6,3-6 |
| Challenger Liuzhou | 2019/10/24 03:05 | Denis Istomin v Steven Diez | 4-6,7-6,6-0 |
| Challenger Liuzhou | 2019/10/23 04:55 | Denis Istomin v Makoto Ochi | 7-6,6-3 |
| Challenger Ningbo | 2019/10/15 07:45 | Tsung-Hua Yang v Denis Istomin | 3-6,6-3,6-2 |