Simon Freund (born 28 September 1996) is a
/ref> professional tennis player.
Freund has a career-high ATP singles ranking of No. 677 achieved on 16 November 2020 and a career-high doubles ranking of No. 164 achieved on 9 September 2024.
Freund played college tennis at Louisiana State University and thereafter at University of California, Santa Barbara.
| { class="wikitable sortable mw-collapsible mw-collapsed" !Legend (singles) |
| ATP Challenger Tour (0–0) |
| ITF World Tennis Tour (3–1) |
| Hard (0–0) |
| Clay (0–1) |
| Grass (0–0) |
| Carpet (0–0) |
| Loss | 0–1 | M15 Pittsburgh, United States | World Tennis Tour | Clay | Alexandr Cozbinov | 6–2, 2–6, 1–6 |
| {class=wikitable style=font-size:97% !Legend (doubles) |
| ATP Challenger Tour (1–2) |
| ITF World Tennis Tour (10–6) |
| Hard (7–3) |
| Clay (5–4) |
| Grass (0–0) |
| Carpet (0–0) |
| Loss | 0–1 | M15 Karlskrona, Sweden | World Tennis Tour | Clay | Justin Butsch | Filip Bergevi Markus Eriksson | 1–6, 3–6 | |
| Loss | 0–2 | M15 Kalmar, Sweden | World Tennis Tour | Clay | Justin Butsch | Filip Bergevi Markus Eriksson | 5–7, 2–6 | |
| Win | 1–2 | M15 São Brás de Alportel, Portugal | World Tennis Tour | Hard | Nicolas Moreno de Alboran | Francisco Cabral Luke Johnson | 5–7, 6–4, 10–7 | |
| Win | 2–2 | M15 Doha, Qatar | World Tennis Tour | Hard | Jonathan Mridha | Zizou Bergs Zura Tkemaladze | 6–1, 6–0 | |
| Loss | 2–3 | M25 Glasgow, United Kingdom | World Tennis Tour | Hard | Evan Hoyt | Jan Zieliński Szymon Walków | 1–6, 1–6 | |
| Win | 3–3 | Russia M15, Saint Petersburg | World Tennis Tour | Hard (i) | Alexandr Cozbinov | Naoki Tajima Alexey Zakharov | 6–4, 7–5 | |
| Win | 4–3 | Russia M15, Saint Petersburg | World Tennis Tour | Hard (i) | Alexandr Cozbinov | Naoki Tajima Alexey Zakharov | 7–6(7–5), 2–6, 10–6 | |
| Win | 5–3 | M25 Kalmar, Sweden | World Tennis Tour | Clay | Johannes Ingildsen | Timothy Carlsson Seger Isac Strömberg | 6–1, 6–1 | |
| Win | 6–3 | M25 Skopje, North Macedonia | World Tennis Tour | Clay | Johannes Ingildsen | Filip Bergevi Moez Echargui | 7–5, 6–3 | |
| Win | 7–3 | M25 Poprad, Slovak Republic | World Tennis Tour | Clay | Johannes Ingildsen | Miloš Karol Lukas Pokorny | 6–4, 6–2 | |
| Loss | 7–4 | M25 Sheffield, UK | World Tennis Tour | Hard (i) | Corentin Denolly | Scott Duncan Marcus Willis | 3–6, 4–6 | |
| Win | 8–4 | M15 Vejle, Denmark | World Tennis Tour | Clay | Johannes Ingildsen | Carl Emil Overbeck Oskar Brostrom Poulsen | 6–2, 6–3 | |
| Win | 8–4 | M25 Falun, Sweden | World Tennis Tour | Hard | Johannes Ingildsen | Anton Matusevich Harry Wendelken | 7–6 (7–2), 4–6, 10–7 | |
| Win | 10–4 | M25 Tavira, Portugal | World Tennis Tour | Hard | Johannes Ingildsen | Joao Domingues Goncalo Falcao | 6–4, 4–6, 10–5 | |
| Win | 11–4 | M25 Ithaca, United States | World Tennis Tour | Hard (i) | Johannes Ingildsen | Joshua Sheehy Pranav Kumar | 6–4, 7–6(7–4) | |
| Loss | 11–5 | M25 Faro, Portugal | World Tennis Tour | Hard | Johannes Ingildsen | Alexander Donski Tiago Pereira | 4–6, 6–3, 7–10 | |
| Win | 12–5 | Tallahassee, USA | Challenger | Clay | Johannes Ingildsen | Luis David Martínez William Blumberg | 7–5, 7–6(7–4) | |
| Loss | 12–6 | Savannah, United States | Challenger | Clay | Johannes Ingildsen | Christian Harrison Marcus Willis | 3–6, 3–6 | |
| Loss | 12-7 | Oeiras, Portugal | Challenger | Clay | Johannes Ingildsen | Anirudh Chandrasekar Arjun Kadhe | 5–7, 4–6 |
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