Head to head
1
Hard
0
1
Clay
4
0
Carpet
2
Ismail El Shafei's wins on the left · Mark Cox's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1979 | Cairo | Clay | R16 | Ismail El Shafei | 7-5 6-7 6-3 |
| 1977 | Cincinnati | Clay | QF | Mark Cox | 6-3 7-6 |
| 1974 | Philadelphia WCT | Carpet | R64 | Mark Cox | 6-4 6-4 |
| 1973 | Toronto-2 | Clay | R32 | Mark Cox | 6-2 6-0 |
| 1972 | Cleveland WCT | Carpet | QF | Mark Cox | 6-3 7-6 |
| 1970 | Bournemouth | Clay | QF | Mark Cox | 6-4 6-4 6-2 |
| 1969 | Salisbury | Hard | QF | Ismail El Shafei | 9-7 6-4 |
| 1969 | Pittsburgh | Clay | QF | Mark Cox | 6-2 6-3 |
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.