01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
Never on clay
no meeting on this surface
Grass
1-0
S. leads 1-0 in 1 meeting on grass
02/Every meeting
1 row, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Jun 24, 2014 | WimbledonGrand Slam, best of 5 | grass | 1st round | Querrey S. | 6-7, 6-4, 6-1, 7-5 | 67 v 75 |
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 Klahn B. each carry the table against every opponent faced.