Jan-Michael Gambill vs Andy Roddick Important H2H Prediction Stats:

Head-to-head: Gambill 2 - 2 Roddick

• Second serve performance recent form: In recent form (last 6 months), Gambill has won 0% of points on their second serve, while Roddick has won 0%. There is a high correlation between this stat and match prediction accuracy.
• Return game stats recent form: Return stats show Gambill, in recent form, has won 0% of their opponent's second serve points, while Roddick has won 0%. The same stats for first serve returns are 0% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
• Under pressure analysis: Gambill has saved 0% of breakpoints in recent form, whereas Roddick has saved 0% which is a useful statistic for in-game betting predictions.
• Performance overview: Over the last year Gambill has won 0% of matches played (W/L 0/ 0), with Roddick winning 0% (W/L 0/ 0) that gives us an overall head-to head prediction overview.
• Best surface: Gambill has their best career surface win % on I.hard, winning 55% (W/L 48/ 39), and worse career win % on Clay, winning 24% (W/L 12/ 38). Roddick has their best career surface win % on Grass, winning 80% (W/L 86/ 22), and worse career win % on Clay, winning 64% (W/L 75/ 43).
• Direct H2H matches: They have played 4 times before with Gambill winning 2 times and Roddick being victorious 2 times. They have played 9 sets in total, with Gambill winning 5 and Roddick winning 4. The last match between Gambill and Roddick was at the Pacific Life Open - Indian Wells, 14-03-2004, Second, Hard with Andy Roddick getting the victory 7-6(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: Gambill and Roddick have played a deciding set 1 times, with Gambill winning 0 times and Roddick 1 times. Very useful for predicting the outcome if this match goes the distance.
• Head-to-Head extreme pressure situations: They have played 4 tiebreaks against each other with Gambill winning 3, and Roddick 1.
• Opponent quality stats: Over the last 12 months, Gambill has played against opponents with an average rank of while Roddick has played against players with an average rank of .
• Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Gambill has won 0% of deciding sets over the last 12 months, while Roddick has won 0% in all matches played on tour.
• Break point conversion: In recent form, Gambill has converted 0% of breakpoint opportunities, and Roddick has converted 0% 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)