Head to head
Rivalry summary
Yong-Il Yoon and Suwandi Suwandi met 4 times on the ATP tour between 1993 and 2001. Yong-Il Yoon leads the head-to-head 4–0 against Suwandi Suwandi. By surface, Yoon leads 2–0 on clay.
1
Hard
0
2
Clay
0
1
Carpet
0
Yong-Il Yoon's wins on the left · Suwandi Suwandi's on the right · bar lengths share one scale
All meetings (4)
| 2001 | Davis Cup G1 PO: KOR vs INA | Hard | RR | Yong-Il Yoon | 6-3 7-6(3) 6-2 |
| 1996 | Davis Cup G1 QF: INA vs KOR | Clay | RR | Yong-Il Yoon | 6-4 6-0 6-2 |
| 1995 | Davis Cup G1 QF: KOR vs INA | Carpet | RR | Yong-Il Yoon | 6-2 6-2 |
| 1993 | Davis Cup G1 SF: KOR vs INA | Clay | RR | Yong-Il Yoon | 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.