Rafael Nadal is through however.
Men's second seed Rafael Nadal is safely through to round three of the Australian Open.
The Spaniard beat American Michael Mmoh in straight sets.
Earlier fourth seed Daniil Medvedev won in straights sets against Spain's Roberto Carballes.
American teenager Coco Gauff is out of the tournament.
She was beaten in the second round of the women's singles by Elina Svitolina in straight sets, 6-4, 6-3.
Defending champion Sofia Kenin was knocked out earlier in straight sets by Kaia Kanepi.
*checks notes* 📝@MichaelMmoh x @RafaelNadal #AO2021 | #AusOpen pic.twitter.com/iTWcySEMyh
— #AusOpen (@AustralianOpen) February 11, 2021
James Gormley Named On Irish Squad For FIBA EuroBasket Qualifiers
Portlaoise Panthers Suffer Tough Defeat In Super League
CCFL: St Peter's Extend Their Advantage At Top Of Premier Division
NFL: Relegation Firmly On The Cards For Offaly
Laois "Devastated" By Defeat Despite Delivering "Manliness" - Justin McNulty
Westmeath Ladies Bag First Win Of League Season
Big Camogie Wins for Westmeath and Laois Over The Weekend
Fitzgerald "Relieved" After Squeaking Past Kerry
NHL: Galway Prove Too Strong For Offaly
Former Laois And Offaly GAA Manager Honoured By An Garda Síochána
Athlone Town Make It Two Wins From Two In First Division
Lee Fitzpatrick Scores Try For Ireland U20s In England
NFL: Westmeath Move Closer To Promotion
Shane Lowry Finishes Strong In California
Westmeath Drifter Sets Sights On Success In 2026
Offaly’s Alex Dunne Joins Alpine’s Young Driver Programme
NHL: Laois And Kerry Clash In Division Two
Shane Lowry Cards Opening Round 73 At Genesis Invitational
Athlone Town Aiming For Back To Back League Wins