Jachym SeblvsJan Trefny

Jachym Sebl and Jan Trefny have met 33 times in the TT Cup. Jachym Sebl leads the series 20–13. The two have averaged 72.5 points per match, with 14 of 33 meetings (42%) going over the 74.5 total.

Of those 33 matches, 15 ended in 3–0 sweeps and 15 were splits, with deuce sets averaging 0.7 per match. Most recently, on November 24, 2025, they combined for 73 points (under 74.5). Across their last 10 meetings, the over has hit 4 times.