01/By surface
each with its own count, at equal weight
Hard
0-2
S. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Feb 23, 2017 | Delray Beach OpenATP250 | hard | 2nd round | Querrey S. | 6-2, 6-3 | 100 v 35 |
| Feb 11, 2015 | Memphis OpenATP250 | hard | 2nd round | Querrey S. | 6-4, 6-1 | 180 v 41 |
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. Donaldson J. and Querrey S. each carry the table against every opponent faced.