31.   Friday, she was grumbling at herself nearly from the start and spraying ground strokes all over the windswept Stadium Court.

32.   He cannot keep pace in a long rally when his ground strokes lack consistency.

33.   He is known for his booming serve and heavy ground strokes.

34.   He caught a hard ground stroke square in the forehead and ended up on his back.

35.   He was equally wild on his ground strokes, sometimes teeing off at inappropriate moments.

36.   He served consistently, hit solid ground strokes, attacked occasionally to vary his game, and used his speed to cover the court.

37.   Hingis had to regroup, work through her calculations, and become much more precise in her ground strokes.

38.   He was the one with the crisper ground strokes and snappier footwork.

39.   His ground strokes had touch, precision and versatility, and his overhead combined the benefits of his size, agility and an intuitive court sense.

40.   Her ground strokes are good.