Jiri GrohsgottvsMatej Kostak

Jiri Grohsgott and Matej Kostak have met three times in the Czech Liga Pro. Matej Kostak leads the series 2–1. The two have averaged 71.3 points per match, with 2 of 3 meetings (67%) going over the 74.5 total.

Of those 3 matches, one ended in a 3–0 sweep and one was a split, with deuce sets averaging 0 per match. Most recently, on May 1, 2026, they combined for 77 points (over 74.5).