His height obviously makes bending for low balls difficult, and reaching out to hit balls tailing way from him even tougher. And like a lot of two-handed power baseliners, del Potro feeds on pace.

Federer, Wawrinka, Thiem, Tsitsipas Mastered the One-Handed Backhand—But at What Cost? Roger Federer made it a symbol of fluidity and variation, even if he often paid the price at Roland Garros ...

While grass-court tennis favors big serves and blistering ground strokes, it also rewards players who mix in subtlety and finesse. Among the favored options at a player’s disposal is the slice.