Jaroslav Jonas JnrvsMilan Chalupnicek

Jaroslav Jonas Jnr and Milan Chalupnicek have met twice in the Czech Liga Pro. Jaroslav Jonas Jnr leads the series 2–0. The two have averaged 70 points per match, with 1 of 2 meetings (50%) going over the 74.5 total.

Of those 2 matches, none ended in a 3–0 sweep and one was a split, with deuce sets averaging 0.5 per match. Most recently, on October 5, 2025, they combined for 80 points (over 74.5).