- Born: 1997.06.17 in Gatchina, Russia
- ATP Singles Ranking: 44
Alexander began playing tennis at age 2 with his father Stanislav. His favourite surface is hard, shot is serve and tournament is ATP Masters 1000 Monte-Carlo. If he wasn’t a tennis player, he would be a basketball player because his godfather is a basketball coach. His favourite NBA team is Golden State Warriors and player is LeBron James.
Alexander trains in St. Petersburg, Russia and Monte Carlo, Monaco. His father is his coach. He achieved his career-high No. 47 on 24 February 2020 after reaching Marseille SF. Debuted in Top 200, Top 150 and Top 100 in 2017. Fell as low as No. 253 on 5 November 2018 before ending season with 8 wins to capture Bratislava, SVK Challenger title as Q. He won 4 matches in 3 sets to reach 1st ATP Tour final at 2019 Newport. Saved 2 MPs vs. Dimitrov en route to 2nd final at 2019 Chengdu. Defeated No. 13 Bautista Agut for biggest win of career and to reach 1st QF at 2016 Moscow as Q. Aelxander beat Giraldo and Fabbiano in 5 sets to reach Grand Slam 3R for 1st time at 2019 US Open. Upset Pouille in Grand Slam debut at 2017 Australian Open as Q. Reached 1st tour-level doubles SF of career with countryman Kukushkin at 2020 Australian Open.