ATP announces new rules at the Next Gen ATP Finals

The tournament, which spotlights the most exciting up-and-coming talent on the ATP Tour each season in a lightning-quick gameplay format, continues to operate at the forefront of innovation in tennis.

This year’s tournament will feature format innovations first pioneered in previous editions:

• First-to-4, Best-of-5 Set Matches
• No-Ad Scoring
• Free Fan Movement
• Live Electronic Line Calling
• Shot Clock
• Video Review
• Towel Racks

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In addition, new rules and enhancements for 2021 include:

• Shorter Warmups: Down from 4 minutes to 1. Less down time, more action.
• Courtside Coaching: Coaching opened up from the side-lines. No more headsets.
• Net Cams: Your front-row seat, right at the heart of the action.
• Limited Medical Time-Outs: One per player per match.
• Timed Bathroom Breaks: Max 3 minutes (+ up to 2 for change of attire). Clock's ticking.