Yannik Kelm vs Zhan Zheng Important H2H Prediction Stats:

Head-to-head: Kelm 1 - 0 Zheng

• Second serve performance recent form: In recent form (last 6 months), Kelm has won 43.64% of points on their second serve, while Zheng has won 58.43%. There is a high correlation between this stat and match prediction accuracy.
• Return game stats recent form: Return stats show Kelm, in recent form, has won 46.1% of their opponent's second serve points, while Zheng has won 39.36%. The same stats for first serve returns are 30.63% and 27.4% respectively and this has a high correlation to pick who is favored in this H2H matchup.
• Under pressure analysis: Kelm has saved 48.28% of breakpoints in recent form, whereas Zheng has saved 55% which is a useful statistic for in-game betting predictions.
• Performance overview: Over the last year Kelm has won 47.37% of matches played (W/L 18/ 20), with Zheng winning 44.23% (W/L 23/ 29) that gives us an overall head-to head prediction overview.
• Best surface: Kelm has their best career surface win % on I.hard, winning 63% (W/L 5/ 3), and worse career win % on Clay, winning 43% (W/L 22/ 29). Zheng has their best career surface win % on Hard, winning 53% (W/L 48/ 43), and worse career win % on Clay, winning 0% (W/L 0/ 3).
• Player level: In the last year, Kelm has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 50% of matches (W/L 18/ 18), where as Zheng has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 46% of matches (W/L 23/ 27). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
• Direct H2H matches: They have played 1 times before with Kelm winning 1 times and Zheng being victorious 0 times. They have played 2 sets in total, with Kelm winning 2 and Zheng winning 0. The last match between Kelm and Zheng was at the M15 Monastir, 02-02-2025, Q1 round, Hard with Yannik Kelm getting the victory 6-3 6-2.
• Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
• Deciding set H2H prediction: Kelm and Zheng have played a deciding set 0 times, with Kelm winning 0 times and Zheng 0 times. Very useful for predicting the outcome if this match goes the distance.
• Head-to-Head extreme pressure situations: They have played 0 tiebreaks against each other with Kelm winning 0, and Zheng 0.
• Opponent quality stats: Over the last 12 months, Kelm has played against opponents with an average rank of 42.08 while Zheng has played against players with an average rank of 47.83.
• Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Kelm has won 40% of deciding sets over the last 12 months, while Zheng has won 33% in all matches played on tour.
• Current event H2H stats: Past player performance is very useful in predicting tennis matches, but once an event is under way we should also look at current event stats for in form player indication, so check the section below (if they have played a match in the current event). Some players also perform better at certain events and this should be taken into account when picking the outcome.
• Break point conversion: In recent form, Kelm has converted 28.57% of breakpoint opportunities, and Zheng has converted 11.11% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
• If you are interested in models that predict tennis matches, this article is a good start (Warning: Stats geeks only)

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