Constantin Frantzen
Constantin Frantzen (born 16 March 1998) is a German tennis player who specializes in doubles.
| Country (sports) | |
|---|---|
| Born | 16 March 1998 Düsseldorf, Germany  | 
| Height | 1.93 m (6 ft 4 in) | 
| Plays | Right-handed (two-handed backhand) | 
| College | Baylor University | 
| Prize money | $67,737 | 
| Singles | |
| Career record | 0–0 | 
| Career titles | 0 | 
| Highest ranking | No. 1226 (20 February 2023) | 
| Current ranking | No. 1505 (16 October 2023) | 
| Doubles | |
| Career record | 0–2 | 
| Career titles | 6 Challenger, 5 Futures | 
| Highest ranking | No. 73 (16 October 2023) | 
| Current ranking | No. 73 (16 October 2023) | 
| Last updated on: 16 October 2023. | |
Frantzen has a career high ATP doubles ranking of world No. 73, achieved on 16 October 2023.[1] He has won six ATP Challenger doubles titles, all with partner Hendrik Jebens.
Frantzen played college tennis at Baylor University.[2]
Career
    
He made his ATP Tour doubles main draw debut at the 2023 Swiss Open Gstaad, also with Jebens.
Doubles performance timeline
    
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH | 
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round;  (DNQ) did not qualify; (A) absent;  (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record. 
 
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
Current through the 2023 Swiss Indoors.
| Tournament | 2022 | 2023 | SR | W–L | 
|---|---|---|---|---|
| Grand Slam tournaments | ||||
| Australian Open | A | A | 0 / 0 | 0–0 | 
| French Open | A | A | 0 / 0 | 0–0 | 
| Wimbledon | A | A | 0 / 0 | 0–0 | 
| US Open | A | A | 0 / 0 | 0–0 | 
| Win–loss | 0–0 | 0–0 | 0 / 0 | 0–0 | 
| Career statistics | ||||
| Tournaments | 0 | 4 | 4 | |
| Overall win–loss | 0–0 | 0–4 | 0–4 | |
| Year-end ranking | 186 | |||
ATP Challenger and ITF World Tennis Tour finals
    
    Doubles: 23 (11–12)
    
  | 
  | 
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | 
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Oct 2015 | Germany F18,  Ismaning  | 
Futures | Carpet | 2–6, 7–5(7–5), [10–8] | ||
| Loss | 1–1 | Oct 2021 | M15 Lubbock,  United States  | 
World Tour | Hard | 4–6, 6–4, [5–10] | ||
| Loss | 1–2 | Nov 2021 | M25 Harlingen,  United States  | 
World Tour | Hard | 6–7(3–7), 7–5, [7–10] | ||
| Loss | 1–3 | Feb 2022 | M25 Glasgow,  United Kingdom  | 
World Tour | Hard | 6–4, 6–7(1–7), [4–10] | ||
| Loss | 1–4 | Apr 2022 | M15 Monastir,  Tunisia  | 
World Tour | Hard | 6–7(4–7), 7–6(7–2), [2–10] | ||
| Win | 2–4 | Apr 2022 | M15 Monastir,  Tunisia  | 
World Tour | Hard | 7–5, 2–6, [10–8] | ||
| Win | 3–4 | May 2022 | M15 Meerbusch,  Germany  | 
World Tour | Clay | 7–6(7–5), 6–4 | ||
| Win | 4–4 | May 2022 | M25 Most,  Czech Republic  | 
World Tour | Clay | 6–3, 4–6, [10–7] | ||
| Loss | 4–5 | Jun 2022 | M25 Arlon,  Belgium  | 
World Tour | Clay | 6–7(5–7), 4–6 | ||
| Win | 5–5 | Jul 2022 | M25 Kassel,  Germany  | 
World Tour | Clay | 6–4, 6–2 | ||
| Loss | 5–6 | Aug 2022 | M25 Wetzlar,  Germany  | 
World Tour | Clay | 4–6, 3–6 | ||
| Loss | 5–7 | Sep 2022 | Columbus,  United States  | 
Challenger | Hard | 2–6, 5–7 | ||
| Loss | 5–8 | Oct 2022 | Las Vegas,  United States  | 
Challenger | Hard | 4–6, 6–7(1–7) | ||
| Loss | 5–9 | Mar 2023 | Pau,  France  | 
Challenger | Hard | 6–3, 1–6, [8–10] | ||
| Loss | 5–10 | Mar 2023 | Lugano,  Switzerland  | 
Challenger | Hard | 2–6, 6–7(6–8) | ||
| Win | 6–10 | Mar 2023 | Biel/Bienne,  Switzerland  | 
Challenger | Hard | 6–2, 6–4 | ||
| Loss | 6–11 | May 2023 | Mauthausen,  Austria  | 
Challenger | Clay | 4–6, 2–6 | ||
| Win | 7–11 | Jun 2023 | Heilbronn,  Germany  | 
Challenger | Clay | 7–6(9–7), 6–4 | ||
| Loss | 7–12 | Jun 2023 | Lyon,  France  | 
Challenger | Clay | 4–6, 6–2, [7–10] | ||
| Win | 8–12 | Aug 2023 | Augsburg,  Germany  | 
Challenger | Clay | 6–2, 6–2 | ||
| Win | 9–12 | Sep 2023 | Como,  Italy  | 
Challenger | Clay | 6–3, 6–4 | ||
| Win | 10–12 | Sep 2023 | Bad Waltersdorf,  Austria  | 
Challenger | Clay | 6–1, 6–2 | ||
| Win | 11–12 | Oct 2023 | Orléans,  France  | 
Challenger | Hard (i) | 7–6(7–5), 7–6(14–12) | 
References
    
- "Constantin Frantzen - Overview". ATP Tour.
 - "Constantin Frantzen – Men's Tennis". Baylor University Athletics.
 
External links
    
    
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