Isner (World No. 24), a Dallas, Texas resident, has been the top ranked American player in eight of the last 10 years and in the Top 25 for 12 consecutive years, including No. 10 in 2018. A 6’10” righty known for his big serve, Isner has won 16 ATP Tour titles during his career, including six at Atlanta, four at Newport and two at Winston-Salem, all tournament records.
Fritz is hot off a 12-4 run to finish the 2021 season at a career-high No. 23 and as the top ranked American player. The 6’5” Miami, Florida resident reached his first ATP Masters 1000 semi-finals at the 2021 Indian Wells following the biggest win of his career saving two match points against No. 4 Alexander Zverev. Fritz won his first ATP Tour title at Eastbourne in 2019 at 21 years-old, becoming the youngest American in the Top 25 since Andy Roddick in 2004.
Brandon Nakashima, former World No. 3 junior achieved career-high No. 62 after advancing to 2021 Intesa Sanpaolo Next Gen ATP Finals SF. He advanced to back-to-back ATP Tour finals at Los Cabos and Atlanta as a 19-year-old in 2021, becoming youngest American to reach multiple finals since Roddick in 2001-02. Nakashima reached 2020 Delray Beach QF as 18-year-old WC in ATP Tour debut. He owns a 3-0 record in Challenger finals with titles at 2020 Orlando, 2021 Quimper-2 and 2021 Brest.
Dimitrov (World No. 28) is the only Bulgarian champion in ATP Tour history, winning eight titles to date, including the 2017 ATP Masters 1000 Cincinnati. He achieved his career-high No. 3 ranking in 2017 after becoming the first debutant to go 5-0 at Nitto ATP Finals since John McEnroe in 1978. The 6’3” Monte Carlo, Monaco resident surpassed 300 career wins in 2019 and has advanced to Grand Slam semifinals at the 2014 Wimbledon, 2017 Australian Open and 2019 US Open.
Jenson Brooksby advanced to 1st ATP Tour QF, SF and final in his grass-court debut at 2021 Newport, becoming 2nd-youngest finalist at age 20 in 45-year tournament history (Rusedski, 19, in 1993). He defeated No. 15 Auger-Aliassime for biggest win of career en route to 2021 Washington SF as 130th-ranked WC, becoming lowest-ranked semi-finalist at tournament since No. 416 Isner in 2007. Brooksby reached 2021 US Open 4R as 20-year-old WC, becoming youngest American in US Open 4R since Roddick, 20, in 2002.
Mannarino achieved a career-high No. 22 in 2018 and ended 9 straight years in Top 75 (2013-21). He advanced to 10 ATP Tour finals, capturing 1st title in 7th final at 2019 's-Hertogenbosch.
Mannarino earned the biggest win of his career over No. 5 Cilic to reach biggest final of career at 2017 Tokyo. Mannarino reached Wimbledon 4R in 2013, 2017 and 2018, as well as US Open 3R in 2013, 2014, 2017 and 2020.
The 6’11” Opelka (World No. 26) has been a fixture in the ATP top-50 since mid 2019 and achieved career-high No. 19 after advancing to the fourth round of a Grand Slam for the first time at the 2021 US Open. The biggest win of Opelka’s career came earlier this year when he defeated No. 3 Stefanos Tsitsipas in Toronto to reach his first ATP Masters 1000 final. Opelka, a Delray Beach, Florida resident, won his first ATP Tour title at the 2019 New York Open before the tournament moved to Dallas.
Marcos Giron achieved career-high No. 57 and posted personal-best 23 wins in 2021, highlighted by 1st ATP Tour SF at Sofia. He qualified en route to ATP Masters 1000 Paris 3R in both 2020 and 2021, earning biggest win of career over No. 10 Berrettini in 2020. Also in the city of Paris, rallied from 6-2, 6-4, 5-1 down and saved 3 MPs vs. Dimitrov en route to 2021 Roland Garros 3R.
Giron turned pro in 2014 after winning NCAA singles title for UCLA, then underwent surgeries on both hips and missed 8+ months in 2016.
Thompson earned a personal-best 26 tour-level wins, broke into Top 50 and achieved career-high No. 43 in 2019.
He ended a 4-match losing streak in ATP Tour QFs by reaching 1st SF and final at 2019 's-Hertogenbosch.Thompson reached ATP Masters 1000 4R for the 1st time at 2019 Miami and Grand Slam 4R for 1st time at 2020 US Open. He upset World No. 1 and 5-time champion Murray at 2017 London/Queen’s Club as LL, earning 1st tour-level win over Murray in 21 tries by an Aussie.
|Dimitrov, Grigor (BUL)||Isner, John (USA)|
|Arevalo, Marcelo (ESA)||Rojer, Jean-Julien (NED)|
|Krajicek, Austin (USA)||Nys, Hugo (MON)|
|Saville, Luke (AUS)||Smith, John-Patrick (AUS)|
|Nedovyesov, Aleksandr (KAZ)||Qureshi, Aisam-Ul-Haq (PAK)|
|Giron, Marcos (USA)||Nakashima, Brandon (USA)|
|Glasspool, Lloyd (GBR)||Heliovaara, Harri (FIN)|
|Goransson, Andre (SWE)||Lammons, Nathaniel (USA)|
|Querrey, Sam (USA)||Withrow, Jackson (USA)|
|Gojowczyk, Peter (GER)||Otte, Oscar (GER)|
|Walkow, Szymon (POL)||Zielinski, Jan (POL)|
|Sabanov, Ivan (SRB)||Sabanov, Matej (SRB)|
|Altmaier, Daniel (GER)||Seppi, Andreas (ITA)|
|Sitak, Artem (NZL)||Vasilevski, Andrei (BLR)|
|Adam Neff (USA)||Ivan Thamma (USA)|