Karel KastnervsMichal Kolbusovsky

Karel Kastner and Michal Kolbusovsky have met once in the TT Cup. Michal Kolbusovsky leads the series 1–0. The two have averaged 56 points per match, with 0 of 1 meetings (0%) going over the 74.5 total.

Of those 1 matches, one ended in a 3–0 sweep and none were splits, with deuce sets averaging 0 per match. Most recently, on November 11, 2025, they combined for 56 points (under 74.5).