Marek KostalvsJan Steffan

Marek Kostal and Jan Steffan have met once in the Czech Liga Pro. Jan Steffan leads the series 1–0. The two have averaged 70 points per match, with 0 of 1 meetings (0%) going over the 74.5 total.

Of those 1 matches, none ended in a 3–0 sweep and one was a split, with deuce sets averaging 1 per match. Most recently, on June 3, 2026, they combined for 70 points (under 74.5).