Head to head
Rivalry summary
Alexander Zverev Sr. and George Kalovelonis met 1 times on the ATP tour between 1979 and 1979. Alexander Zverev Sr. leads the head-to-head 1–0 against George Kalovelonis.
All meetings (1)
| 1979 | Davis Cup EUR PR: GRE vs URS | RR | Alexander Zverev Sr. | 6-1 6-4 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.