Head to head
Rivalry summary
Miguel Olvera and Carl Johnson met 1 times on the ATP tour between 1968 and 1968. Miguel Olvera leads the head-to-head 1–0 against Carl Johnson.
1
Clay
0
Miguel Olvera's wins on the left · Carl Johnson's on the right · bar lengths share one scale
All meetings (1)
| 1968 | St. Petersburg | Clay | R32 | Miguel Olvera | 6-0 6-1 |
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.