Kristie Ahn

Where the 1561.3 rating comes from

From 91 matches played between 25 August 2008 and 16 August 2021, 89 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.

91 matches, from the most recent to the first

beaten by Lauren Davis 1–2
16/08/21 · WTA 1000 2021 · Qualifying — First round · detail
−10.71572.1 → 1561.3
09/08/21 · WTA 1000 2021 · Qualifying — First round · detail
+7.21564.9 → 1572.1
beaten by Caroline Garcia 0–2
09/08/21 · WTA 1000 2021 · Qualifying — Qualifying competition · detail
−8.21573.2 → 1564.9
beaten by Han Na-lae 1–2
02/08/21 · WTA 500 2021 · Qualifying — First round · detail
−16.41589.6 → 1573.2
beaten by Sloane Stephens 0–2
29/06/21 · WTA Grand Slam 2021 · Second round · detail
−7.61597.2 → 1589.6
beat Heather Watson 2–1
28/06/21 · WTA Grand Slam 2021 · First round · detail
+12.51584.7 → 1597.2
beaten by Viktorija Golubic 0–1
07/06/21 · WTA 250 2021 · Second round · retirement · detail
±0.01584.7 → 1584.7
beat Jodie Burrage 2–1
07/06/21 · WTA 250 2021 · First round · detail
+7.01577.7 → 1584.7
beaten by Francesca Di Lorenzo 0–2
12/04/21 · WTA 250 2021 · First round · detail
−15.41593.1 → 1577.7
beaten by Jasmine Paolini 0–2
05/04/21 · WTA 250 2021 · First round · detail
−13.21606.3 → 1593.1
beaten by Olga Danilović 0–2
23/03/21 · WTA 1000 2021 · Qualifying — Qualifying competition · detail
−14.81621.2 → 1606.3
22/03/21 · WTA 1000 2021 · Qualifying — First round · detail
+8.61612.6 → 1621.2
beaten by Usue Maitane Arconada 0–2
15/03/21 · WTA 250 2021 · Qualifying — First round · detail
−15.61628.2 → 1612.6
beaten by Serena Williams 0–2
28/09/20 · WTA Grand Slam 2020 · First round · detail
−1.61629.8 → 1628.2
beaten by Serena Williams 0–2
31/08/20 · WTA Grand Slam 2020 · First round · detail
−1.61631.3 → 1629.8
beaten by Leylah Annie Fernandez 0–2
24/08/20 · WTA 1000 2020 · Qualifying — Qualifying competition · detail
−13.51644.8 → 1631.3
24/08/20 · WTA 1000 2020 · Qualifying — First round · detail
+14.81630.0 → 1644.8
beat Jovana Jović 2–1
10/08/20 · WTA 250 2020 · Qualifying — Qualifying competition · detail
+7.21622.8 → 1630.0
beat Gabriela Talabă 2–1
10/08/20 · WTA 250 2020 · Qualifying — First round · detail
+6.81616.0 → 1622.8
beaten by Anna Blinkova 1–2
10/08/20 · WTA 250 2020 · First round · retirement · detail
±0.01616.0 → 1616.0
10/02/20 · WTA 500 2020 · Qualifying — First round · detail
+5.81610.2 → 1616.0
10/02/20 · WTA 500 2020 · Qualifying — Qualifying competition · detail
+11.61598.6 → 1610.2
beaten by Donna Vekic 0–2
10/02/20 · WTA 500 2020 · First round · detail
−5.61604.2 → 1598.6
beaten by Caroline Wozniacki 0–2
20/01/20 · WTA Grand Slam 2020 · First round · detail
−4.41608.6 → 1604.2
beaten by Sara Sorribes Tormo 0–2
13/01/20 · WTA 250 2020 · Qualifying — Qualifying competition · detail
−12.31620.9 → 1608.6
beat Mia Repac 2–0
13/01/20 · WTA 250 2020 · Qualifying — First round · detail
+8.21612.6 → 1620.9
beaten by Caty McNally 1–2
06/01/20 · WTA 250 2020 · Qualifying — First round · detail
−15.21627.8 → 1612.6
beaten by Wang Xiyu 0–2
07/10/19 · WTA 250 2019 · First round · detail
−15.81643.6 → 1627.8
beaten by Magda Linette 0–2
30/09/19 · WTA 1000 2019 · Qualifying — First round · detail
−9.41653.1 → 1643.6
beat Timea Bacsinszky 2–0
16/09/19 · WTA 250 2019 · First round · detail
+13.71639.4 → 1653.1
beaten by Ekaterina Alexandrova 1–2
16/09/19 · WTA 250 2019 · Quarterfinals · detail
−9.71649.1 → 1639.4
beat Ana Bogdan 2–1
16/09/19 · WTA 250 2019 · Second round · detail
+10.31638.8 → 1649.1
beaten by Elise Mertens 0–2
30/08/19 · WTA Grand Slam 2019 · Fourth round · detail
−6.31645.2 → 1638.8
28/08/19 · WTA Grand Slam 2019 · Third round · detail
+16.11629.1 → 1645.2
beat Anna Kalinskaya 2–0
27/08/19 · WTA Grand Slam 2019 · Second round · detail
+10.71618.4 → 1629.1
26/08/19 · WTA Grand Slam 2019 · First round · detail
+18.51599.9 → 1618.4
beaten by Karolína Muchová 0–2
19/08/19 · WTA 250 2019 · Second round · detail
−8.01607.9 → 1599.9
19/08/19 · WTA 250 2019 · First round · detail
+14.31593.6 → 1607.9
beaten by Lauren Davis 1–2
12/08/19 · WTA 1000 2019 · Qualifying — First round · detail
−9.91603.6 → 1593.6
beat Katie Volynets 2–0
29/07/19 · WTA 500 2019 · Qualifying — First round · detail
+8.81594.8 → 1603.6
beat Danielle Lao 2–0
29/07/19 · WTA 500 2019 · Qualifying — Qualifying competition · detail
+9.41585.4 → 1594.8
beat Elise Mertens 2–0
29/07/19 · WTA 500 2019 · Second round · detail
+19.51565.9 → 1585.4
beaten by Donna Vekic 0–2
29/07/19 · WTA 500 2019 · Quarterfinals · detail
−5.31571.2 → 1565.9
29/07/19 · WTA 500 2019 · First round · detail
+17.31553.9 → 1571.2
beaten by Anastasija Sevastova 0–2
01/07/19 · WTA Grand Slam 2019 · First round · detail
−4.11558.0 → 1553.9
beat Natalija Kostić 2–1
08/04/19 · WTA 250 2019 · Qualifying — First round · detail
+9.91548.1 → 1558.0
beaten by Bibiane Schoofs 0–2
08/04/19 · WTA 250 2019 · Qualifying — Qualifying competition · detail
−14.91563.0 → 1548.1
08/04/19 · WTA 250 2019 · First round · detail
+18.21544.8 → 1563.0
beaten by Camila Osorio 1–2
08/04/19 · WTA 250 2019 · Second round · detail
−15.51560.3 → 1544.8
beaten by Xu Shilin 0–2
01/04/19 · WTA 250 2019 · Qualifying — Second round · detail
−16.81577.0 → 1560.3

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.