Jan-Lennard Struff is a tough German tennis pro known for his massive serve and late-career breakthroughs. At 35, he’s still grinding on the ATP tour with a career-high singles rank of No. 21.
Jan-Lennard Struff’s Biography
| Attribute | Details |
| Full Name | Jan-Lennard Struff |
| Nickname | Struffi |
| Date of Birth | April 25, 1990, Warstein, Germany |
| Age | 35 years |
| Nationality | German |
| Height | 193 cm (6 ft 4 in) |
| Weight | 92 kg (203 lbs) |
| Handedness | Right-handed |
| Turned Professional | 2009 |
| Event | Singles & Doubles |
| Current Team | Germany Davis Cup team |
| Career Prize Money | $12,351,746 (singles & doubles combined as of early 2026) |
| Titles | 1 ATP singles title (BMW Open 2024), 4 ATP doubles titles, Career-high No. 21 singles (2023), No. 21 doubles (2018), Madrid Masters finalist (2023 as lucky loser) |
| Sponsors | Head (racket), Diadora (clothing/footwear since 2018), OBO Bettermann Deutschland, others like Reboots Recovery Boots |
| Marital Status | Married |
| Spouse | Madeleine |
| Instagram Profile | @jl_struff |
Struff keeps his personal life low-key but shares family moments on social media. He lives in Germany with his wife and balances tour life with home base in Warstein. No public details on children beyond one born around 2019.
Early Career
Struff started tennis young in Warstein, Germany, climbing junior ranks with a big serve and groundstrokes. He turned pro in 2009 after ITF Futures wins on clay, grabbing 6 singles titles. By 2011-2013, he hit Challenger finals, building experience before ATP breakthroughs. Steady progress got him top 100 by 2014.
Professional Career
Struff broke into ATP semis in 2014 at Marseille, Munich, and Metz, hitting top 50. He notched upsets like No. 3 Wawrinka in 2016 Paris Masters and reached French Open fourth round in 2019. Doubles shone early with 2018 Tokyo ATP 500 win.
Injuries hit 2022, but 2023 was huge: Madrid Masters final as lucky loser (first ever), Stuttgart final, No. 21 peak. Won first singles title at 33 in Munich 2024 over Fritz. 2025 US Open fourth round run; 2026 off to 2-3 start. Career singles: 239-267, doubles solid at 106-112.
Wife
Struff is happily married to Madeleine since 2018 after dating for years. They welcomed their first child in 2019 and keep family private while based in Germany. No rumors or splits reported.
Jan-Lennard Struff’s Net Worth Details
As of 2026, Struff’s net worth sits around $10-12 million, boosted by career prize money topping $12.3 million. Endorsements from brands like Head and Diadora add steady income. Tournament hauls, especially $1.7M in 2023 and $1.4M in 2024, fuel his wealth.
Prize Money
| Year | Prize Money | Singles Titles | Doubles Titles | Singles W-L |
| 2026 | $153,998 | 0 | 0 | 2-3 |
| 2025 | $1,220,713 | 0 | 0 | 15-22 |
| 2024 | $1,408,984 | 1 | 1 | 30-21 |
| 2023 | $1,739,214 | 0 | 0 | 20-17 |
| 2022 | $441,496 | 0 | 0 | 8-13 |
| 2021 | $1,064,676 | 0 | 0 | 26-30 |
| 2020 | $921,158 | 0 | 0 | 15-15 |
| 2019 | Not specified | 0 | 2 | – |
| 2018 | Not specified | 0 | 1 | – |
| Career Total | $12,351,746 | 1 | 4 | 239-267 |
Career Earnings
| Period | Total Earnings | Key Contributors |
| 2009-2013 (Early) | ~$1.5M | Futures/Challengers |
| 2014-2019 | ~$4M | Semis, upsets, doubles titles |
| 2020-2023 | ~$5M | Madrid final, No. 21 rank, French/US runs |
| 2024-2026 | ~$3M+ | Munich win, Dubai doubles, US Open 2025 |
| Grand Total | $12.35M | Singles 80%, doubles 20% |
Endorsements
Struff teams with Head for rackets, his go-to for that booming serve, and Diadora since 2018 for clothing and shoes that handle his aggressive style. OBO Bettermann Deutschland patches his sleeve since 2023 as an electrical infrastructure brand loving his power.
Past deals include Reboots Recovery Boots for leg recovery (2021), Five9 tech on sleeve (2021), Delta Equity VC, IFM Electronics automation, and Gerry Weber fashion. These boost his off-court income, letting him focus on late primes at 35.
Career Records
| Opponent | H2H Record | Notable Matches |
| Novak Djokovic | 0-8 | Lost US Open 2025 R16 6-3 6-3 6-2; French 2019 R4 |
| Carlos Alcaraz | 1-4 | Madrid 2023 final loss 4-6 6-3 3-6 |
| Taylor Fritz | 2-1? | Beat Munich 2024 final 7-5 6-3 (title win) |
| Daniil Medvedev | Multiple losses | Halle 2021 upset win as No.2 seed |
| Stefanos Tsitsipas | Wins in 2019/2023 | Madrid 2023 SF upset |
| Stan Wawrinka | 1 win | Paris 2016 R3, saved MP |
FAQs
1. Who is Jan-Lennard Struff?
Jan-Lennard Struff is a German professional tennis player born on April 25, 1990, in Warstein. He has won one ATP singles title and four doubles titles, with career-high rankings of world No. 21 in singles and doubles.
2. What is his career-high ATP ranking?
Struff reached his career-high singles ranking of No. 21 on June 19, 2023. His doubles peak was No. 21 on October 22, 2018.
3. Has he won any ATP titles?
Yes, he won his first ATP singles title at the 2024 BMW Open in Munich at age 33, defeating Taylor Fritz 7-5, 6-3. He also secured four doubles titles, including the 2024 Dubai ATP 500 with Tallon Griekspoor.
4. What are his ATP finals?
Singles: Runner-up in 2021 Munich, 2023 Madrid Masters 1000, 2023 Stuttgart; winner 2024 Munich. Doubles: Four wins and four losses across ATP 250 and 500 events.
5. Who are his parents?
His parents are Dieter and Martina Struff, both tennis coaches at Tennis Park in Warstein, Germany. They introduced him to tennis at age 6.
6. Is Jan-Lennard Struff married?
Yes, he is married to Madeleine Struff since 2018. The couple has one child and keeps their private life out of the public eye.
7. What is his current ATP ranking?
As of early 2026, Struff is ranked around No. 82 in singles. He climbed back into the top 100 after a strong 2025 US Open run to the fourth round.
8. What is his best Grand Slam result?
His best singles Grand Slam performance is reaching the fourth round at the 2019 French Open and 2021 French Open. In doubles, he made the Australian Open semifinals in 2018.
9. What are his favorite surfaces?
Struff excels on clay, where he won his singles title and prefers it as his favorite surface. He has strong records on hard and grass too.
10. What notable achievements mark his career?
He became the first lucky loser to reach an ATP Masters 1000 final in 2023 Madrid, upset top players like Daniil Medvedev and Stefanos Tsitsipas, and earned ATP Comeback Player of the Year in 2023.