Tennis legend Andre Agassi revealed that he learned how to beat a rival by watching his tongue on serves
![Novak Djokovic equals Andre Agassi record at Australian Open with 26th straight win to seal spot in semi-finals | Belfast News Letter Novak Djokovic equals Andre Agassi record at Australian Open with 26th straight win to seal spot in semi-finals | Belfast News Letter](https://www.newsletter.co.uk/webimg/b25lY21zOjZmMjAzMWEyLWEyMGEtNDI1Yy04ZWYyLTk5ZWI0OTUyZmRjYjphZGU5Y2IyNS1lOWU5LTRmNGItYTM4Mi1mYTg3MTk3NWMzNWE=.jpg?width=1200&enable=upscale)
Novak Djokovic equals Andre Agassi record at Australian Open with 26th straight win to seal spot in semi-finals | Belfast News Letter
![Andre Agassi, American tennis player, Wimbledon tournament, England, July 1, 1991 print by Bridgeman Images | Posterlounge Andre Agassi, American tennis player, Wimbledon tournament, England, July 1, 1991 print by Bridgeman Images | Posterlounge](https://media.posterlounge.com/images/l/1912186.jpg)
Andre Agassi, American tennis player, Wimbledon tournament, England, July 1, 1991 print by Bridgeman Images | Posterlounge
![Always Plasters and Big Problems' - When Andre Agassi Was Displeased With Novak Djokovic for His Adamant Stance on Nature Healing - EssentiallySports Always Plasters and Big Problems' - When Andre Agassi Was Displeased With Novak Djokovic for His Adamant Stance on Nature Healing - EssentiallySports](https://image-cdn.essentiallysports.com/wp-content/uploads/GettyImages-904663834.jpg?width=600)
Always Plasters and Big Problems' - When Andre Agassi Was Displeased With Novak Djokovic for His Adamant Stance on Nature Healing - EssentiallySports
![Andre Agassi picks Rafael Nadal over Roger Federer as the greatest player of all time | Daily Mail Online Andre Agassi picks Rafael Nadal over Roger Federer as the greatest player of all time | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2014/05/09/article-2623871-1DADC82200000578-700_634x489.jpg)
Andre Agassi picks Rafael Nadal over Roger Federer as the greatest player of all time | Daily Mail Online
![Tennis - 2004 Australian Open - Melbourne Park - Australia , 19/1-1/2/04 Andre Agassi - USA celebrates Mandatory Credit : Action Images / Jason O'Brien Stock Photo - Alamy Tennis - 2004 Australian Open - Melbourne Park - Australia , 19/1-1/2/04 Andre Agassi - USA celebrates Mandatory Credit : Action Images / Jason O'Brien Stock Photo - Alamy](https://c8.alamy.com/comp/2EGGB7F/tennis-2004-australian-open-melbourne-park-australia-191-1204-andre-agassi-usa-celebrates-mandatory-credit-action-images-jason-obrien-2EGGB7F.jpg)
Tennis - 2004 Australian Open - Melbourne Park - Australia , 19/1-1/2/04 Andre Agassi - USA celebrates Mandatory Credit : Action Images / Jason O'Brien Stock Photo - Alamy
![Andre Agassi from the US serves on Rod Laver Arena during a warm-up for the Australian Open in Melbourne. Andre Agassi from the U.S. serves on Rod Laver Arena during a warm-up Andre Agassi from the US serves on Rod Laver Arena during a warm-up for the Australian Open in Melbourne. Andre Agassi from the U.S. serves on Rod Laver Arena during a warm-up](https://c8.alamy.com/compfr/2d3nynm/andre-agassi-from-the-us-serves-on-rod-laver-arena-during-a-warm-up-for-the-australian-open-in-melbourne-andre-agassi-from-the-u-s-serves-on-rod-laver-arena-during-a-warm-up-for-the-australian-open-in-melbourne-january-16-2005-four-times-champion-andre-agassi-says-he-will-definitely-play-in-the-australian-open-after-overcoming-a-hip-injury-he-suffered-in-a-warm-up-event-the-34-year-old-american-was-hurt-on-thursday-but-came-through-an-exhibition-match-against-tim-henman-at-the-kooyong-classic-on-saturday-and-pronounced-himself-ready-to-go-after-a-practice-session-at-melbourne-park-on-sun-2d3nynm.jpg)