Wilson 5.7 Prostaff EB Oversize is a tennis racket with head size 115in² and a string pattern 18x20.The declared unstrung frame weight is 290g, the balance is equal to 330mm and the stiffness is 68 RA.

Wilson
Pro Staff
290g (10.00 oz)
115 in²
18x20
68 RA
330mm
This racquet sits in the oversize game improvement category and is designed around its primary performance strengths. The 115 in² head size boosts forgiveness and sweet spot size. A stiffness rating of 68 RA results in a firmer, more responsive feel at impact. With an unstrung weight of 290 g, the frame adds stability through mass. The 18x20 string pattern (open) influences spin access and launch angle. Performance-wise, it scores 100/100 for power, 60/100 for spin, and 20/100 for control, outlining its on-court behavior. Comfort levels are above average, supporting longer hitting sessions. It is best suited for beginner players.
User comments for racquets with similar specifications highlight predictable on-court characteristics. Forum users commonly point out the forgiving nature of larger-headed frames like this, especially on off-center hits. Comfort is generally viewed as a positive, particularly for longer sessions. Overall, it is most often recommended by users for beginner players.
100/100
60/100
20/100
60/100
73/100
60/100
53/100
51; 61 lbs
60% Grafite / 40% Fiberglass
27,5-0-0 mm
27.5