![Tomas Barrios Vera, left, and Alejandro Tabilo of Chile play a shot against Serbia's Nikola Cacic and Matej Sabanov during their doubles match at the ATP Cup tennis tournament in Sydney, Monday, Tomas Barrios Vera, left, and Alejandro Tabilo of Chile play a shot against Serbia's Nikola Cacic and Matej Sabanov during their doubles match at the ATP Cup tennis tournament in Sydney, Monday,](https://c8.alamy.com/comp/2MCGWW0/tomas-barrios-vera-left-and-alejandro-tabilo-of-chile-play-a-shot-against-serbias-nikola-cacic-and-matej-sabanov-during-their-doubles-match-at-the-atp-cup-tennis-tournament-in-sydney-monday-jan-3-2022-ap-photosteve-christo-2MCGWW0.jpg)
Tomas Barrios Vera, left, and Alejandro Tabilo of Chile play a shot against Serbia's Nikola Cacic and Matej Sabanov during their doubles match at the ATP Cup tennis tournament in Sydney, Monday,
![Tomas Barrios Vera, right, and Alejandro Tabilo of Chile celebrate winning the match against Serbia's Nikola Cacic and Matej Sabanov during their doubles match at the ATP Cup tennis tournament in Sydney, Tomas Barrios Vera, right, and Alejandro Tabilo of Chile celebrate winning the match against Serbia's Nikola Cacic and Matej Sabanov during their doubles match at the ATP Cup tennis tournament in Sydney,](https://c8.alamy.com/comp/2MCGWX4/tomas-barrios-vera-right-and-alejandro-tabilo-of-chile-celebrate-winning-the-match-against-serbias-nikola-cacic-and-matej-sabanov-during-their-doubles-match-at-the-atp-cup-tennis-tournament-in-sydney-monday-jan-3-2022-ap-photosteve-christo-2MCGWX4.jpg)
Tomas Barrios Vera, right, and Alejandro Tabilo of Chile celebrate winning the match against Serbia's Nikola Cacic and Matej Sabanov during their doubles match at the ATP Cup tennis tournament in Sydney,
Fayez Sarofim & Co. US Clay on Twitter: "Brotherly Love 😘 Sabanov/Sabanov defeat Kyrgios/Sock 6-4, 6-2 to reach the semifinals! #USClay https://t.co/tciPa5UxlP" / Twitter
![Dusan Lajovic of Serbia talks with team captain Ivan Sabanov before retiring from the match against Chile's Cristian Garin during their match at the ATP Cup tennis tournament in Sydney, Monday, Jan. Dusan Lajovic of Serbia talks with team captain Ivan Sabanov before retiring from the match against Chile's Cristian Garin during their match at the ATP Cup tennis tournament in Sydney, Monday, Jan.](https://c8.alamy.com/comp/2MCGX30/dusan-lajovic-of-serbia-talks-with-team-captain-ivan-sabanov-before-retiring-from-the-match-against-chiles-cristian-garin-during-their-match-at-the-atp-cup-tennis-tournament-in-sydney-monday-jan-3-2022-ap-photosteve-christo-2MCGX30.jpg)
Dusan Lajovic of Serbia talks with team captain Ivan Sabanov before retiring from the match against Chile's Cristian Garin during their match at the ATP Cup tennis tournament in Sydney, Monday, Jan.
![ATP Challenger Tour en Twitter: "Entering the week, 🇭🇷 brothers Ivan & Matej Sabanov had won 22 Futures titles together. On Saturday, they lifted their first #ATPChallenger 🏆🏆. Champions in San Benedetto! ATP Challenger Tour en Twitter: "Entering the week, 🇭🇷 brothers Ivan & Matej Sabanov had won 22 Futures titles together. On Saturday, they lifted their first #ATPChallenger 🏆🏆. Champions in San Benedetto!](https://pbs.twimg.com/media/D_8utl9XYAE2iMQ.jpg)