01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
1-0
S. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Aug 12, 2019 | Western & Southern Financial Group MastersMasters 1000 | hard | 1st round | Querrey S. | 7-6, 7-6 | 45 v 41 |
| Jan 15, 2019 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Herbert P.H. | 5-7, 7-6, 6-3, 6-1 | 49 v 55 |
| May 2, 2016 | Mutua Madrid OpenMasters 1000 | clay | 1st round | Querrey S. | 6-7, 7-6, 6-4 | 37 v 84 |
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. Querrey S. and Herbert P.H. each carry the table against every opponent faced.