Carlos Alcaraz makes shock admission after beating Wu Yibing at US Open
WATCH NOW: Carlos Alcaraz celebrates winning US Open back in July

TL;DR
- Carlos Alcaraz secured a spot in the US Open fourth round with a straight-sets victory over Wu Yibing.
- Alcaraz expressed surprise at his own high level of play after returning from a wrist injury layoff.
- He feels physically well and is regaining his competitive rhythm, calling his current performance "really good".
- The defending champion's convincing win over Wu was his most dominant yet in the tournament.
- Alcaraz will next face Tommy Paul for a place in the quarter-finals.
- He also mentioned his aspiration to play doubles with his promising younger brother, Jaime.