01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
1-0
J. leads 1-0 in 1 meeting on clay
Grass
1-0
J. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Jul 30, 2015 | Suisse Open GstaadATP250 | clay | 2nd round | Sousa J. | 6-7, 6-3, 7-6 | 43 v 70 |
| Jun 9, 2015 | Topshelf OpenATP250 | grass | 1st round | Sousa J. | 6-2, 0-6, 6-2 | 44 v 81 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Sousa J. and Istomin D. each carry the table against every opponent faced.