01/By surface
each with its own count, at equal weight
Hard
2-1
J. leads 2-1 in 3 meetings on hard
Clay
1-0
J. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Mar 28, 2018 | Sony Ericsson OpenMasters 1000 | hard | quarterfinal | Isner J. | 6-1, 6-4 | 17 v 23 |
| Jan 10, 2018 | ASB ClassicATP250 | hard | 2nd round | Chung H. | 7-6, 5-7, 6-2 | 16 v 62 |
| Aug 30, 2017 | US OpenGrand Slam, best of 5 | hard | 2nd round | Isner J. | 6-3, 6-4, 7-5 | 15 v 47 |
| Apr 9, 2016 | U.S. Men's Clay Court ChampionshipsATP250 | clay | quarterfinal | Isner J. | 7-6, 6-4 | 15 v 71 |
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. Isner J. and Chung H. each carry the table against every opponent faced.