Head to head
Rivalry summary
John Feaver and Cumhur Ongen met 1 times on the ATP tour between 1975 and 1975. John Feaver leads the head-to-head 1–0 against Cumhur Ongen.
1
Clay
0
John Feaver's wins on the left · Cumhur Ongen's on the right · bar lengths share one scale
All meetings (1)
| 1975 | Istanbul | Clay | R32 | John Feaver | 6-0 6-0 |
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.