Naoko Sawamatsu

Where the 1650.0 rating comes from

From 280 matches played between 9 April 1990 and 21 September 1998, 277 of them rated, 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.

280 matches, from the most recent to the first

beaten by Monica Seles 1–2
21/09/98 · WTA 1000 1998 · Second round · detail
−2.11652.1 → 1650.0
21/09/98 · WTA 1000 1998 · First round · detail
+8.21643.8 → 1652.1
beaten by Mirjana Lučić-Baroni 1–2
02/09/98 · WTA Grand Slam 1998 · Second round · detail
−9.81653.6 → 1643.8
31/08/98 · WTA Grand Slam 1998 · First round · detail
+6.31647.4 → 1653.6
beaten by Julie Halard-Decugis 1–2
24/08/98 · WTA 1000 1998 · First round · detail
−7.71655.0 → 1647.4
beaten by Karina Habšudová 0–2
17/08/98 · WTA 1000 1998 · First round · detail
−13.21668.2 → 1655.0
beaten by Barbara Paulus 1–2
10/08/98 · WTA 1000 1998 · First round · detail
−11.91680.1 → 1668.2
beaten by Magüi Serna 1–2
24/06/98 · WTA Grand Slam 1998 · Third round · detail
−11.81691.9 → 1680.1
beat Amanda Coetzer 2–1
23/06/98 · WTA Grand Slam 1998 · Second round · detail
+16.81675.1 → 1691.9
beat Barbara Paulus 2–1
22/06/98 · WTA Grand Slam 1998 · First round · detail
+14.21660.9 → 1675.1
beaten by Serena Williams 0–2
15/06/98 · WTA 1000 1998 · First round · detail
−8.81669.7 → 1660.9
beaten by Barbara Rittner 0–2
26/05/98 · WTA Grand Slam 1998 · Second round · detail
−15.21684.9 → 1669.7
25/05/98 · WTA Grand Slam 1998 · First round · detail
+5.51679.4 → 1684.9
beaten by María Vento-Kabchi 0–2
18/05/98 · WTA 1000 1998 · First round · detail
−16.01695.5 → 1679.4
beaten by Silvia Farina Elia 0–2
11/05/98 · WTA 1000 1998 · First round · detail
−12.21707.7 → 1695.5
04/05/98 · WTA 1000 1998 · First round · detail
+7.11700.6 → 1707.7
beaten by Dominique Monami 0–2
04/05/98 · WTA 1000 1998 · Second round · detail
−9.21709.8 → 1700.6
beat Haruka Inoue 2–1
13/04/98 · WTA 1000 1998 · Second round · detail
+4.11705.7 → 1709.8
beaten by Corina Morariu 0–2
13/04/98 · WTA 1000 1998 · Quarterfinals · detail
−17.31723.0 → 1705.7
beat Yayuk Basuki 2–1
30/03/98 · WTA 1000 1998 · First round · detail
+13.31709.7 → 1723.0
beaten by Ruxandra Dragomir Ilie 0–2
30/03/98 · WTA 1000 1998 · Second round · detail
−14.41724.1 → 1709.7
18/03/98 · WTA 1000 1998 · Third round · detail
−6.11730.2 → 1724.1
beat Kristina Brandi 2–0
17/03/98 · WTA 1000 1998 · Second round · detail
+4.31725.9 → 1730.2
beaten by Natasha Zvereva 0–2
05/03/98 · WTA 1000 1998 · Second round · detail
−9.61735.4 → 1725.9
04/03/98 · WTA 1000 1998 · First round · detail
+10.21725.2 → 1735.4
02/02/98 · WTA 1000 1998 · First round · detail
+4.81720.4 → 1725.2
beaten by Lindsay Davenport 0–2
02/02/98 · WTA 1000 1998 · Second round · detail
−3.51723.9 → 1720.4
beaten by Iva Majoli 0–2
19/01/98 · WTA Grand Slam 1998 · First round · detail
−8.51732.4 → 1723.9
12/01/98 · WTA 1000 1998 · First round · detail
+9.81722.7 → 1732.4
beaten by Magdalena Grzybowska 1–2
12/01/98 · WTA 1000 1998 · Second round · detail
−18.11740.8 → 1722.7
beaten by Henrieta Nagyová 0–2
20/10/97 · WTA 1000 1997 · Second round · detail
−17.31758.1 → 1740.8
beat Florencia Labat 2–0
20/10/97 · WTA 1000 1997 · First round · detail
+7.71750.4 → 1758.1
beaten by Irina Spîrlea 1–2
13/10/97 · WTA 1000 1997 · First round · detail
−8.51758.9 → 1750.4
beat Sabine Appelmans 2–0
06/10/97 · WTA 1000 1997 · First round · detail
+12.31746.6 → 1758.9
06/10/97 · WTA 1000 1997 · Second round · detail
+18.61728.0 → 1746.6
beaten by Lisa Raymond 0–2
06/10/97 · WTA 1000 1997 · Quarterfinals · detail
−12.21740.2 → 1728.0
beaten by Monica Seles 0–2
15/09/97 · WTA 1000 1997 · Semifinals · detail
−2.51742.7 → 1740.2
beat Mana Endo 2–1
15/09/97 · WTA 1000 1997 · Second round · detail
+6.31736.4 → 1742.7
15/09/97 · WTA 1000 1997 · First round · detail
+8.61727.8 → 1736.4
15/09/97 · WTA 1000 1997 · Quarterfinals · detail
+19.01708.8 → 1727.8
beaten by Natasha Zvereva 1–2
26/08/97 · WTA Grand Slam 1997 · Second round · detail
−9.21718.0 → 1708.8
beat Erika deLone 2–0
25/08/97 · WTA Grand Slam 1997 · First round · detail
+2.51715.4 → 1718.0
beaten by Monica Seles 0–2
18/08/97 · WTA 1000 1997 · Second round · detail
−2.21717.6 → 1715.4
beat Ai Sugiyama 2–0
18/08/97 · WTA 1000 1997 · First round · detail
+10.41707.2 → 1717.6
beaten by Magdalena Maleeva 0–2
11/08/97 · WTA 1000 1997 · Third round · detail
−11.41718.6 → 1707.2
beat Iva Majoli 2–1
11/08/97 · WTA 1000 1997 · Second round · detail
+18.91699.7 → 1718.6
beat Chanda Rubin 2–0
11/08/97 · WTA 1000 1997 · First round · detail
+16.41683.3 → 1699.7
beaten by Arantxa Sánchez Vicario 0–2
04/08/97 · WTA 1000 1997 · First round · detail
−5.81689.1 → 1683.3
beaten by Tamarine Tanasugarn 0–2
24/06/97 · WTA Grand Slam 1997 · Second round · detail
−18.31707.4 → 1689.1
beat Samantha Smith 2–0
23/06/97 · WTA Grand Slam 1997 · First round · detail
+4.01703.3 → 1707.4

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.