Head to head
Rivalry summary
Jonathan Stark and Yong-Il Yoon met 1 times on the ATP tour between 1998 and 1998. Jonathan Stark leads the head-to-head 1–0 against Yong-Il Yoon.
1
Hard
0
Jonathan Stark's wins on the left · Yong-Il Yoon's on the right · bar lengths share one scale
All meetings (1)
| 1998 | US Open | Hard | R128 | Jonathan Stark | 6-2 6-4 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.