Pedro Henrique Morio Sakamoto (born 29 June 1993) is a Brazilian professional tennis player. He has a career-high ATP singles ranking of No. 271, achieved on 9 September 2024 and a doubles ranking of No. 272, achieved on 3 February 2020.
Sakamoto has won one ATP Challenger Tour doubles title, with countryman João Fonseca.
He made his ATP main draw debut at the 2019 Brasil Open, where he qualified for the main draw defeating Matteo Donati and Carlos Berlocq.
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| ATP Challenger Tour (0–1) |
| Loss | 0–1 | Open Bogotá, Colombia | Challenger | Clay | Patrick Kypson | 1–6, 3–6 |
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| ATP Challenger Tour (1–3) |
| Hard (0–0) |
| Clay (1–3) |
| Loss | 0–1 | Florianópolis Challenger, Brazil | Challenger | Clay | Christian Oliveira | Gustavo Heide Pedro Boscardin Dias | 2–6, 5–7 | |
| Win | 1–1 | Challenger ATT II, Argentina | Challenger | Clay | João Fonseca | Jakob Schnaitter Mark Wallner | 6–2, 6–2 | |
| Loss | 1–2 | Brasil Tennis Challenger, Brazil | Challenger | Clay | Daniel Dutra da Silva | Guido Andreozzi Guillermo Durán | 2–6, 6–7(5–7) | |
| Loss | 1–3 | Lima Challenger, Peru | Challenger | Clay | Pedro Boscardin Dias | Hady Habib Trey Hilderbrand | 5–7, 3–6 |
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| ITF Futures/WTT (7–9) |
| Hard (1–0) |
| Clay (6–9) |
| Win | 1–0 | Brazil F4, Manaus | Futures | Clay | Fernando Romboli | 7–6(7–4), 7–5 | |
| Loss | 1–1 | Brazil F8, Caxias do Sul | Futures | Clay | Fabrício Neis | 2–6, 2–6 | |
| Loss | 1–2 | Georgia F2, Pantiani | Futures | Clay | Grzegorz Panfil | 6–7(5–7), 5–7 | |
| Loss | 1–3 | US F5, Weston | Futures | Clay | Denis Shapovalov | 6–7(2–7), 3–6 | |
| Loss | 1–4 | Argentina F3, Rosario | Futures | Clay | Tomás Lipovšek Puches | 4–6, 6–2, 1–6 | |
| Loss | 1–5 | Turkey F10, Antalya | Futures | Clay | Václav Šafránek | 3–6, 3–6 | |
| Win | 2–5 | Romania F4, Bucharest | Futures | Clay | Michiel de Krom | 6–1, 6–3 | |
| Loss | 2–6 | Poland F7, Bydgoszcz | Futures | Clay | Jeremy Jahn | 3–6, 4–6 | |
| Loss | 2–7 | M15 Naples, US | WTT | Clay | Sekou Bangoura | 6–7(6–8), 0–6 | |
| Win | 3–7 | M15 Pinamar, Argentina | WTT | Clay | Manuel Peña López | 6–3, 6–3 | |
| Win | 4–7 | M25 Huelva, Spain | WTT | Clay | Bastián Malla | 6–2, 2–6, 7–6(7–2) | |
| Loss | 4–8 | M25 Orlando, US | WTT | Clay | Nicolás Álvarez | 6–3, 2–6, 1–6 | |
| Win | 5–8 | M25 Lajeado, Brazil | WTT | Clay | Wilson Leite | 6–1, 6–1 | |
| Finalist | NP | M25 San Miguel de Tucumán, Argentina | WTT | Clay | Dmitry Popko | cancelled | |
| Win | 6–8 | M15 Belém, Brazil | WTT | Hard | Alexander Stater | 6–4, 6–1 | |
| Win | 7–8 | M25 São Paulo, Brazil | WTT | Clay | Tomás Farjat | 7–6(7–4), 7–6(8–6) | |
| Loss | 7–9 | M25 Yerba Buena, Argentina | WTT | Clay | Lautaro Midón | 4–6, 5–7 |
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