Watch US Open Tennis: Men's & Women's Second Round — Day 4 Free.

What's at Stake

Day 4 of the US Open brings the high-stakes conclusion of the second round, where a single misstep means elimination from the final Grand Slam of the season. For the top seeds, navigating these grueling early-round hard-court matches is essential to conserve energy for the second week while avoiding costly upsets. For the underdogs, pulling off a victory on the sport's biggest stage offers invaluable ranking points, significant prize money, and career-defining momentum.

Form Guide

The transition to the North American hard-court swing has seen a mix of dominant runs and surprising early exits, leaving the draw highly competitive. Several top-tier contenders arrived in New York carrying momentum from deep runs in Toronto and Cincinnati, while others are still searching for their peak rhythm on the fast Flushing Meadows surface. Having successfully navigated their opening matches, the remaining players must now elevate their consistency to handle the rising temperature and pressure.

Key Players to Watch

• Carlos Alcaraz — The Spanish superstar looks to showcase his explosive court coverage and variety to dictate play and overwhelm his opponent from the baseline.
• Aryna Sabalenka — Armed with one of the most powerful serves and groundstrokes in the women's game, she aims to dominate the quick hard courts and dictate the tempo of her match.
• Jannik Sinner — The Italian's relentless baseline consistency and improved transition game make him a formidable threat to anyone in the draw as he seeks a deep run.

Prediction

Expect the established favorites to assert their dominance, with the majority of the top seeds securing straight-sets victories as they adjust to the tournament conditions. While a few lower-ranked players will likely push their matches to deciding sets through sheer grit, the physical conditioning of the elite contenders will ultimately carry them through. The day will conclude with the championship favorites safely booking their spots in the third round.