Head to head
Rivalry summary
John Marks and Ross Case met 3 times on the ATP tour between 1970 and 1979. Ross Case leads the head-to-head 2–1 against John Marks. By surface, Case leads 2–0 on grass. They contested 1 finals, with Marks winning 0 of them.
1
Hard
0
0
Grass
2
John Marks's wins on the left · Ross Case's on the right · bar lengths share one scale
All meetings (3)
| 1979 | Tulsa | Hard | R32 | John Marks | 2-6 6-4 6-4 |
| 1975 | Sydney-2 | Grass | F | Ross Case | 6-2 6-1 |
| 1970 | Adelaide | Grass | R32 | Ross Case | 7-5 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.