| J. J. Wolf | |
| Fullname: | Jeffrey John Wolf |
| Residence: | Cincinnati, Ohio, U.S. |
| Birth Date: | 21 December 1998 |
| Birth Place: | Cincinnati, Ohio, U.S. |
| Height: | 6 ft 0 in |
| Turnedpro: | 2019 |
| Coach: | Patrick Thompson, David Kass, Matt Vaughn |
| Plays: | Right-handed (two handed-backhand) |
| Careerprizemoney: | $2,344,113 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 39 (13 February 2023) |
| Currentsinglesranking: | No. 120 (22 July 2024) |
| Australianopenresult: | 4R (2023) |
| Frenchopenresult: | 1R (2023, 2024) |
| Wimbledonresult: | 2R (2023) |
| Usopenresult: | 3R (2020, 2022) |
| Doublesrecord: | 1–4 |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 543 (22 May 2023) |
| Wimbledondoublesresult: | 1R (2023) |
| Usopendoublesresult: | 1R (2016) |
| Updated: | 23 July 2024 |
Jeffrey John "J. J." Wolf (born December 21, 1998) is an American professional tennis player. He achieved a career-high ATP singles ranking of world No. 39 on 13 February 2023. Wolf played collegiately at Ohio State University.[1]
Wolf was born in Cincinnati, Ohio and attended Cincinnati Country Day School in Indian Hill, Ohio.[2] He is the grandson of NBA basketball coach Charles Wolf.[3]
In 2016, as the nation's third ranked recruit, he committed to playing collegiate tennis for the Ohio State Buckeyes.[4]
On the junior tour, Wolf has a career-high ranking of No. 18 achieved on May 16, 2016.
In his first season, at Ohio State University, Wolf was named 2017 Big Ten Freshman of the Year and First-Team All Big Ten.[5]
As of April 23, 2019 Wolf was the No. 1 ranked college player in the U.S.[6]
In 2019, Wolf had a combined record of 45–3 between singles and doubles.[7] On April 25, 2019, Wolf was named Big Ten Men's Tennis Athlete of the Year.[8]
Wolf made his Grand Slam main-draw debut at the 2016 US Open in the doubles event, partnering with John McNally. He received a wildcard to play in the men's singles qualifying competition for the 2017 US Open, but did not win a set.[9]
On August 12, 2018, Wolf defeated world No. 85 Jozef Kovalik in the first round of qualifying at the 2018 Western and Southern Open in Mason, Ohio.[10] Wolf won the match 7–6, 7–6. This upset marked Wolf's first win against an ATP top 100 player.
Wolf began playing semi-pro tennis in 2016 and three years later, in July 2019, signed with Topnotch Management to play professionally.[11] He turned pro after going 35–2 and earning Big Ten Player of the Year honors as a junior at Ohio State.
On September 22, Wolf made it to the finals of the Columbus 3 Challenger event, losing to Peter Polansky. He beat fellow rising American Michael Mmoh in the round of 16 and top seed Emilio Gómez in the semifinals.[12]
Wolf reached a career-high of No. 189 in the ATP singles rankings on November 18, 2019, after winning the 2019 Champaign Challenger, defeating Sebastian Korda in a tight two-and-a-half hour match.[13] [14] In January 2020 he started the year by winning the ATP Challenger Tour final in Nouméa, defeating Yuichi Sugita in the final.
As of August 2020, Wolf won four Challenger titles and was victorious in three of his last five events dating back to the previous season. He was 14–2 with two titles during the first two months of 2020 before play was suspended due to the pandemic and made his top 150 debut on March 2, 2020, at World No. 144.
He qualified for the Western & Southern Open and was awarded a wildcard to the main draw at the 2020 U.S. Open. At the U.S. Open, Wolf defeated 29th-seeded Guido Pella of Argentina 6–2, 0–6, 6–3, 6–3 in the first round. Wolf went on to defeat Spain's Roberto Carballés Baena 6–2, 6–4, 6–3 in round two, before losing in the third round to Russian Daniil Medvedev 6–3, 6–3, 6–2.[15] Wolf is only the third Ohio State Buckeye to reach the third round at the US Open after Francisco González in 1980 and Roger Smith in 1994.[16]
In early 2021, Wolf underwent two hernia operations and could not compete for seven months.[17]
Ranked 209th at the 2022 Abierto Mexicano Telcel in Acapulco, Wolf reached the second round as a qualifier after defeating World No. 21 Lorenzo Sonego. It was his first ATP win since the 2020 US Open and only the third of his career.
At his next tournament in Indian Wells, Wolf, having qualified for the tournament again, beat Hugo Gaston in straight sets before losing in three sets to 15th seed Roberto Bautista Agut, despite having a match point in the third set. Wolf then reached the semifinals at the Phoenix Challenger, losing to eventual champion Denis Kudla. Wolf then qualified for Miami, and beat Daniel Altmaier in the first round.[18] He lost in three sets to third seed and world No. 5 Stefanos Tsitsipas in the second round.[19]
He reached the top 100 at World No. 99 on 1 August 2022. Also in August, at the 2022 Citi Open, he reached the round of 16 after defeating 6th seed Denis Shapovalov.[20] He reached an ATP 500 quarterfinal for the first time in his career after defeating 9th seed Holger Rune.[21] The same day he lost in his quarterfinal match to top seed Andrey Rublev. As a result, he moved up 15 positions to a new career-high of World No. 84 on August 8, 2022.
At the US Open he upset 16th seed Roberto Bautista Agut.[22] Next he defeated Alejandro Tabilo to reach the third round for a second time at this Major. He lost to Nick Kyrgios in straight sets.[23] As a result, he moved into the top 75 in the rankings to a new career-high of No. 72 on September 12, 2022.
At the 2022 Firenze Open he reached his first ATP semifinal in his career by defeating fourth seed Maxime Cressy in the round of 16[24] and seventh seed Alexander Bublik in the quarterfinals.[25] He defeated qualifier Mikael Ymer in the semifinals to reach the first final of his career which he lost in straight sets to Félix Auger-Aliassime. As a result, he moved 20 positions up into the top 60 in the rankings at world No. 56 on October 17, 2022.[26]
At the 2023 Australian Open, Wolf reached the fourth round, defeating Jordan Thompson, 23rd seed Diego Schwartzman and Michael Mmoh before losing to fellow American Ben Shelton in five sets.[27] Following this match, Wolf rose into the top 50 in the ATP rankings at world No. 48 on 30 January 2023.[28]
He reached the third round of a Masters 1000 for the first time on his debut at the 2023 Italian Open (tennis), defeating 14th seed Hubert Hurkacz.
Seeded sixth at the 2023 Dallas Open, he reached his second tour-level semifinal in his career after defeating qualifier Brandon Holt, Radu Albot and second seed Frances Tiafoe.[29] As a result, he moved into the top 40 in the rankings at No. 39 on 13 February 2023.Seeded ninth at the 2023 Delray Beach Open, he lost in the round of 16 to Adrian Mannarino. Seeded fifth in Houston he lost in the quarterfinals to Gijs Brouwer.
At the 2023 Rolex Shanghai Masters he reached the third round of a Masters 1000 for a second time in his career and also in his debut at this tournament, defeating 15th seed Cameron Norrie.[30] Next he defeated Matteo Arnaldi to reach the fourth round for the first time at a Masters 1000.[31] He qualified at the 2023 Rolex Paris Masters on his debut at this tournament.
He entered the main draw of the 2024 French Open as a lucky loser.[32]
In July, at the beginning of the American summer swing, he also entered the main draw at the 2024 Atlanta Open as a lucky loser. He received a wildcard for the Citi DC Open in Washington and defeated Lucky Loser Zachary Svajda.
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Columbus Challenger, US | Challenger | Hard (i) | Mikael Torpegaard | 6–7(4–7), 6–3, 6–4 | ||
| Loss | 1–1 | Columbus Challenger, US | Challenger | Hard (i) |  Peter Polansky | 3–6, 6–7(4–7) | ||
| Win | 2–1 | JSM Challenger of Champaign–Urbana, US | Challenger | Hard (i) |  Sebastian Korda | 6–4, 6–7(3–7), 7–6(8–6) | ||
| Win | 3–1 | BNP Paribas de Nouvelle-Calédonie, New Caledonia | Challenger | Hard |  Yūichi Sugita | 6–2, 6–2 | ||
| Win | 4–1 | Columbus Challenger, US | Challenger | Hard (i) |  Denis Istomin | 6–4, 6–2 | ||
| Win | 5–1 | Las Vegas Challenger, US | Challenger | Hard | Stefan Kozlov | 6–4, 6–4 |
Current through the 2024 Mubadala Citi DC Open.
| Tournament | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L | Win % | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | |||||||||||||
| Australian Open | A | A | A | Q2 | A | Q2 | 4R | 1R | 0 / 2 | 3–2 | |||
| French Open | A | A | A | Q1 | A | A | 1R | 1R | 0 / 2 | 0–2 | |||
| Wimbledon | A | A | A | style=color:#767676 | NH | A | A | 2R | A | 0 / 1 | 1–1 | ||
| US Open | Q1 | A | Q1 | 3R | Q2 | 3R | 1R | Q2 | 0 / 3 | 4–3 | |||
| style=text-align:left | Win–loss | 0–0 | 0–0 | 0–0 | 2–1 | 0–0 | 2–1 | 4–4 | 0–2 | 0 / 8 | 8–8 | ||
| ATP Tour Masters 1000 | |||||||||||||
| bgcolor=efefef align=left | Indian Wells Masters | A | A | Q2 | style=color:#767676 | NH | 1R | 2R | 1R | 1R | 0 / 4 | 1–4 | |
| bgcolor=efefef align=left | Miami Open | A | A | A | style=color:#767676 | NH | A | 2R | 2R | Q2 | 0 / 2 | 2–2 | |
| bgcolor=efefef align=left | Monte-Carlo Masters | A | A | A | style=color:#767676 | NH | A | A | A | A | 0 / 0 | 0–0 | |
| bgcolor=efefef align=left | Madrid Open | A | A | A | style=color:#767676 | NH | A | A | 1R | A | 0 / 1 | 0–1 | |
| bgcolor=efefef align=left | Italian Open | A | A | A | A | A | A | 3R | 1R | 0 / 2 | 2–2 | ||
| bgcolor=efefef align=left | Canadian Open | A | A | A | style=color:#767676 | NH | Q1 | A | 1R | A | 0 / 1 | 0–1 | |
| bgcolor=efefef align=left | Cincinnati Masters | A | Q2 | Q2 | 1R | Q1 | 1R | 1R | Q1 | 0 / 3 | 0–3 | ||
| bgcolor=efefef align=left | Shanghai Masters | A | A | A | NH | 4R | 0 / 1 | 3–1 | |||||
| bgcolor=efefef align=left | Paris Masters | A | A | A | A | A | A | 1R | 0 / 1 | 0–1 | |||
| style=text-align:left | Win–loss | 0–0 | 0–0 | 0–0 | 0–1 | 0–1 | 2–3 | 6–8 | 0–2 | 0 / 15 | 8–15 | ||
| Career statistics | |||||||||||||
| style=text-align:left | Tournaments | 0 | 0 | 0 | 3 | 3 | 13 | 25 | 9 | Career total: 53 | |||
| style=text-align:left | Titles | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Career total: 0 | |||
| style=text-align:left | Finals | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Career total: 1 | |||
| style=text-align:left | Overall win–loss | 0–0 | 0–0 | 0–0 | 2–3 | 0–3 | 15–13 | 26–25 | 2–9 | 0 / 53 | 45–53 | ||
| Year-end ranking | 658 | 364 | 188 | 127 | 174 | 66 | 53 | $2,090,586 | |||||