Ramkumar Ramanathan advanced when Jason Jung retired 2-6 6-0 4-0 in the Kobe CH round of 16. Ramkumar Ramanathan claimed a first win over Jason Jung in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-02-11 | New York | R32 | hard | Jason Jung | 6-3 3-6 6-1 |
Averages over each player's completed matches in the selected window (158 vs 123). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About