Karel KastnervsMartin Tuma

Karel Kastner and Martin Tuma have met twice in the TT Cup. Martin Tuma leads the series 2–0. The two have averaged 63.5 points per match, with 0 of 2 meetings (0%) going over the 74.5 total.

Of those 2 matches, one ended in a 3–0 sweep and one was a split, with deuce sets averaging 0 per match. Most recently, on June 17, 2025, they combined for 60 points (under 74.5).