World No. 1107 Jason Jung is 36 and plays right-handed. No clear favourite surface: Clay 0-1, Grass 2-1. Twelve-month serve numbers: 66% of first serves in, 63.7% of those points won. Average on return: 37.6% of return points won and 24.3% of break points converted.

Mixed recent form, 2-2 over the last 4. No match in our data has lasted longer than the 32-game duel with A. Martin. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: Challenger Newport USA.

Serving and returning

1st serves in

66.2%

Won on 1st serve

61.7%

Won on 2nd serve

43.4%

Aces per match

3.4

Double faults per match

2.4

Break points saved

41.4%

Return games won

25.5%

Points won on return

37.5%

Service points won

55.6%

All points won

46.5%