Rei Sakamoto

Where the 1600.6 rating comes from

From 32 matches played between 18 March 2024 and 19 October 2026, and from them alone. Every line below was written at computation time: nothing is recomputed to show this page.

How to read this

On the right: the change this match produced, then the value before → after. A line's arrival value is the next line's starting value, down to the starting rating given to every newcomer. A ±0.0 is a counted match that did not move the rating, a walkover for instance.

32 matches, from the most recent to the first

beat Gabriel Diallo 2–1
19/10/26 · ATP 250 2026 · Qualifying — Qualifying competition · detail
+14.41586.2 → 1600.6
beat Amir Omarkhanov 2–0
19/10/26 · ATP 250 2026 · Qualifying — First round · detail
+8.21578.0 → 1586.2
beaten by Karen Khachanov 0–2
19/10/26 · ATP 250 2026 · First round · detail
−6.91584.9 → 1578.0
beaten by Alex de Minaur 0–2
09/10/26 · ATP 1000 2026 · Third round · detail
−4.11589.1 → 1584.9
beat Andrey Rublev 2–0
08/10/26 · ATP 1000 2026 · Second round · detail
+18.51570.6 → 1589.1
07/10/26 · ATP 1000 2026 · First round · detail
+13.01557.6 → 1570.6
beat Kyrian Jacquet 2–1
06/10/26 · ATP 1000 2026 · Qualifying — Qualifying competition · detail
+11.91545.8 → 1557.6
beat Hong Seong-chan 2–0
05/10/26 · ATP 1000 2026 · Qualifying — First round · detail
+12.01533.8 → 1545.8
beaten by Matteo Arnaldi 1–2
28/09/26 · ATP 500 2026 · First round · detail
−8.91542.7 → 1533.8
beaten by Frances Tiafoe 0–3
02/09/26 · ATP Grand Slam 2026 · Second round · detail
−3.01545.7 → 1542.7
beat Aleksandar Vukic 3–2
31/08/26 · ATP Grand Slam 2026 · First round · detail
+13.71532.1 → 1545.7
beaten by Vilius Gaubas 1–2
22/04/26 · ATP 1000 2026 · Qualifying — Qualifying competition · detail
−10.01542.0 → 1532.1
beat Zachary Svajda 2–0
20/04/26 · ATP 1000 2026 · Qualifying — First round · detail
+14.41527.6 → 1542.0
beaten by Marco Trungelliti 0–2
30/03/26 · ATP 250 2026 · Qualifying — Qualifying competition · detail
−10.11537.8 → 1527.6
beat Amine Jamji 2–0
30/03/26 · ATP 250 2026 · Qualifying — First round · detail
+10.31527.5 → 1537.8
beaten by Daniil Medvedev 1–2
19/03/26 · ATP 1000 2026 · Second round · detail
−1.81529.3 → 1527.5
18/03/26 · ATP 1000 2026 · First round · detail
+14.61514.7 → 1529.3
beaten by Vít Kopřiva 0–2
02/03/26 · ATP 1000 2026 · Qualifying — First round · detail
−8.21522.9 → 1514.7
beaten by Rafael Jódar 2–3
19/01/26 · ATP Grand Slam 2026 · First round · detail
−13.21536.1 → 1522.9
beaten by Lorenzo Sonego 0–2
05/01/26 · ATP 250 2026 · First round · detail
−7.31543.4 → 1536.1
beaten by Mark Lajal 0–2
13/10/25 · ATP 250 2025 · Qualifying — First round · detail
−11.31554.7 → 1543.4
beaten by Matteo Arnaldi 0–2
01/10/25 · ATP 1000 2025 · First round · detail
−8.21562.9 → 1554.7
30/09/25 · ATP 1000 2025 · Qualifying — Qualifying competition · detail
+32.41530.5 → 1562.9
beat Brandon Holt 2–0
29/09/25 · ATP 1000 2025 · Qualifying — First round · detail
+26.91503.6 → 1530.5
beaten by Aleksandar Vukic 0–2
22/09/25 · ATP 500 2025 · Qualifying — Qualifying competition · detail
−16.61520.2 → 1503.6
beat Adam Walton 2–0
22/09/25 · ATP 500 2025 · Qualifying — First round · detail
+32.21488.0 → 1520.2
beaten by Nikoloz Basilashvili 1–2
15/09/25 · ATP 250 2025 · Qualifying — First round · detail
−19.41507.4 → 1488.0
beaten by Alexandre Müller 0–2
19/03/25 · ATP 1000 2025 · First round · detail
−17.91525.3 → 1507.4
beat James Duckworth 2–0
18/03/25 · ATP 1000 2025 · Qualifying — Qualifying competition · detail
+31.81493.5 → 1525.3
beat Kamil Majchrzak 2–1
17/03/25 · ATP 1000 2025 · Qualifying — First round · detail
+33.01460.5 → 1493.5
beaten by Luca Nardi 0–2
23/09/24 · ATP 500 2024 · Qualifying — First round · detail
−21.21481.7 → 1460.5
beaten by Vít Kopřiva 0–2
18/03/24 · ATP 1000 2024 · Qualifying — First round · detail
−18.31500.0 → 1481.7

Only the matches the source publishes appear; what is missing is listed. The source gives the day, not the hour: two matches on the same day are ordered by a reproducible rule, which is not necessarily the real order.