As the world's best tennis players battled it out on court, the Australian Open also served up boisterous fans, video game breaks, koala-themed nail art and other offbeat moments. Our photography team's eye for detail is on show in this collection of colourful images picked out by AAP picture researcher Kristen Daly.
To see more, view our Australian Open galleries.
Crazy for 'Kirios'
January 21: Fans of Nick Kyrgios attended his match on day two of the Australian Open. Image by Dave Hunt for AAP. See more images like this.
January 21: Fans reach for Alexei Popyrin's towel after his first round match against Jo-Wilfried Tsonga on day two. Image by Dave Hunt for AAP. See more images like this.
Serena Williams pays tribute to Aussie wildlife
January 22: Serena Williams showed off some colourful nail art during her second round match against Tamara Zidansek. The koala on her ring fingernail was a show of support for Australia following the recent devastating bushfires. Image by Lukas Coch for AAP. See more images like this.
Nadal and the ball kid
January 23: Rafael Nadal chatted to a ball girl after she was hit by a ball during his second round match against Frederico Delbonis on day four. Image by Lukas Coch for AAP. See more images like this.
January 25: A spectator enjoys a water fan on day six. Image by Sean Garnsworthy for AAP. See more images like this.
January 26: Australian-Chilean model Pia Miller (L) and her boyfriend Australian talent agent Patrick Whitesell were spotted in the crowd. Image by Fiona Hamilton for Tennis Australia/EPA/AAP. See more images like this.
Ball kids need time off too
January 27: Ball kids watch TV and play video games in their rest area. Image by Roman Pilipey for EPA/AAP. See more images like this.
Tennessee tennis fans love Tennys
January 28: Fans of the appropriately named Tennys Sandgren show their support during his match with Roger Federer on day nine. Image by Dave Hunt for AAP. See more images like this.
From the forecourt to Fortnite
January 29: ...And more video games. Australian doubles players Max Purcell and Luke Saville were brave enough to play Fortnite with professional players Parpy of New Zealand (L) and Nyhrox of Norway during day ten. Image by Vince Caligiuri for AAP. See more images like this.
January 30: Ashleigh Barty's niece Olivia makes a funny face while her aunt answers questions during a press conference following the women's singles semi final match on day 11. Barty lost the match to Sofia Kenin. Image by Lukas Coch for AAP. See more images like this.
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