Head to head
1
Clay
1
Miguel Olvera's wins on the left · Ivan Molina's on the right · bar lengths share one scale
All meetings (2)
| 1972 | Davis Cup SAM QF: ECU vs COL | Clay | RR | Ivan Molina | 8-6 6-2 RET |
| 1970 | Davis Cup SAM QF: COL vs ECU | Clay | RR | Miguel Olvera | 6-4 5-7 8-6 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.