Jean-Baptiste CousinvsJan Trefny

Jean-Baptiste Cousin and Jan Trefny have met 11 times in the TT Cup. Jan Trefny leads the series 6–5. The two have averaged 80.5 points per match, with 8 of 11 meetings (73%) going over the 74.5 total — a clear lean to the over.

Of those 11 matches, 2 ended in 3–0 sweeps and 2 were splits, with deuce sets averaging 1 per match. Most recently, on November 30, 2025, they combined for 68 points (under 74.5). Across their last 10 meetings, the over has hit 7 times.