Karel KastnervsMichal Dere

Karel Kastner and Michal Dere have met once in the TT Cup. Michal Dere leads the series 1–0. The two have averaged 89 points per match, with 1 of 1 meetings (100%) 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 2 per match. Most recently, on September 21, 2025, they combined for 89 points (over 74.5).