Jaroslav Jonas JnrvsJiri Grohsgott

Jaroslav Jonas Jnr and Jiri Grohsgott have met twice in the Czech Liga Pro. Jiri Grohsgott 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 18, 2025, they combined for 65 points (under 74.5).