Months after winning her first career grand slam title at the 2023 US Open, Coco Gauff hasn't slowed down to open 2024.
The 19-year-old American entered the 2024 Australian Open ranked No. 4 in the world and has cruised through the singles draw in Melbourne — albeit against less-than-imposing opposition.
Gauff has already beaten Anna Karolína Schmiedlova, Caroline Dolehide, Alycia Parks and Magdalena Frech to reach the quarterfinals, her deepest run to date Down Under.
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Another matchup against an unseeded opponent, 37th-ranked Marta Kostyuk of Ukraine, awaits in the quarters, with a potential US Open finals rematch against No. 2 seed Aryna Sabalenka looming in the semifinals.
Gauff will have to get past Kostyuk first, though. Here's when and how to watch the match:
Is Coco Gauff playing today?
Gauff is set to play in the quarterfinals against Marta Kostyuk on Tuesday afternoon in Melbourne on Monday night, Jan. 22 in the United States.
The pair have met only once before, two years ago at the Australian Open tune-up event in Adelaide, with Gauff prevailing in three sets.
Coco Gauff vs. Marta Kostyuk Australian Open match time
- Date: Monday, Jan. 22
- Time: Approximately 9 p.m. ET (1 p.m. Wednesday, local time)
Coco Gauff vs. Marta Kostyuk is scheduled to be the second match on Rod Laver Arena during the day session on Tuesday in Melbourne. That slot will put it in prime time for much of the United States.
The match will not begin before 9 p.m. ET. Still, the exact start time won't be known until the previous match, a legends doubles contest pitting Mark Philippoussis and Marcos Baghdatis against Thomas Johansson and Robert Lindstedt, concludes. That match is set to begin at 8 p.m. ET.
How to watch Coco Gauff vs. Marta Kostyuk at Australian Open
Fans can watch the action on ESPN2 or stream it via ESPN+ or Fubo, which offers a free trial.
Coco Gauff's quarterfinal against Marta Kostyuk should get near-exclusive coverage during ESPN2's main broadcast window on Monday, with no other singles matches set to occur during the same time frame.
The top seed on the men's side, Novak Djokovic, will take on American Taylor Fritz immediately after the Gauff-Kostyuk match ends.
Australian Open 2024 full schedule
Here's how you can watch the rest of the Australia Open:
| Date (ET) | Round | Time (ET) | Time (PT) | TV Channel / Stream (US) |
| Monday, Jan. 22 | 4th Round | 6 p.m. - Finish | 3 p.m. - Finish | ESPN, Tennis Channel / ESPN+, Fubo |
| Tuesday, Jan. 23 | Quarterfinals | 8 p.m. - Finish | 5 p.m. - Finish | ESPN, Tennis Channel / ESPN+, Fubo |
| Wednesday, Jan. 24 | Quarterfinals | 8 p.m. - Finish | 5 p.m. - Finish | ESPN, Tennis Channel / ESPN+, Fubo |
| Thursday, Jan. 25 | Women's Semifinals | TBC | TBC | ESPN, Tennis Channel / ESPN+, Fubo |
| Friday, Jan. 26 | Men's Semifinals | TBC | TBC | ESPN, Tennis Channel / ESPN+, Fubo |
| Saturday, Jan. 27 | Women's Singles Final | TBC | TBC | ESPN, Tennis Channel / ESPN+, Fubo |
| Sunday, Jan. 28 | Men's Singles Final | TBC | TBC |