Jan-Michael Gambill

Where the 1544.9 rating comes from

From 356 matches played between 14 August 1995 and 8 February 2010, 336 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.

356 matches, from the most recent to the first

beaten by Giovanni Lapentti 1–2
08/02/10 · ATP 250 2010 · Qualifying — Second round · detail
−13.81558.7 → 1544.9
beat Brad Weston 2–0
08/02/10 · ATP 250 2010 · Qualifying — First round · detail
+10.31548.4 → 1558.7
beaten by Juan Mónaco 0–2
09/04/07 · ATP 250 2007 · First round · detail
−9.31557.7 → 1548.4
beaten by Tim Henman 0–2
31/07/06 · ATP 250 2006 · Third round · detail
−5.81563.5 → 1557.7
31/07/06 · ATP 250 2006 · Second round · detail
+7.61555.9 → 1563.5
beat Peter Wessels 2–1
03/10/05 · ATP 500 2005 · First round · detail
+12.01543.8 → 1555.9
beaten by Mario Ančić 1–2
03/10/05 · ATP 500 2005 · Second round · detail
−6.31550.1 → 1543.8
beaten by Tomáš Zíb 0–2
15/08/05 · ATP 1000 2005 · Qualifying — First round · detail
−13.61563.7 → 1550.1
beaten by Taylor Dent 0–2
18/07/05 · ATP 250 2005 · Second round · detail
−7.81571.5 → 1563.7
beat Donald Young 2–0
18/07/05 · ATP 250 2005 · First round · detail
+7.41564.1 → 1571.5
beaten by Janko Tipsarević 0–2
21/02/05 · ATP 250 2005 · First round · detail
−16.01580.1 → 1564.1
beaten by Kenneth Carlsen 0–2
14/02/05 · ATP 500 2005 · Quarterfinals · detail
−12.21592.3 → 1580.1
beat Jiří Novák 2–0
14/02/05 · ATP 500 2005 · First round · detail
+17.81574.4 → 1592.3
beat Irakli Labadze 2–0
14/02/05 · ATP 500 2005 · Second round · detail
+7.11567.3 → 1574.4
beaten by Hyung-Taik Lee 0–2
07/02/05 · ATP 250 2005 · First round · detail
−12.11579.4 → 1567.3
beaten by Peter Wessels 1–2
31/01/05 · ATP 250 2005 · Second round · detail
−13.31592.7 → 1579.4
beat Cyril Saulnier 2–1
31/01/05 · ATP 250 2005 · First round · detail
+14.21578.4 → 1592.7
beaten by Justin Gimelstob 0–2
03/01/05 · ATP 250 2005 · First round · detail
−14.91593.4 → 1578.4
beaten by Nicolas Massú 0–3
01/01/05 · ATP Grand Slam 2005 · First round · detail
−9.11602.5 → 1593.4
beaten by Joachim Johansson 0–2
25/10/04 · ATP 250 2004 · Second round · detail
−12.41614.9 → 1602.5
beat Jarkko Nieminen 2–1
25/10/04 · ATP 250 2004 · First round · detail
+14.11600.8 → 1614.9
beaten by Stefan Koubek 1–2
18/10/04 · ATP 1000 2004 · Qualifying — First round · detail
−13.01613.8 → 1600.8
beaten by Mario Ančić 0–2
13/09/04 · ATP 250 2004 · First round · detail
−12.51626.3 → 1613.8
beat Stefan Koubek 2–0
16/08/04 · ATP 250 2004 · First round · detail
+10.51615.7 → 1626.3
beaten by Gilles Müller 1–2
16/08/04 · ATP 250 2004 · Second round · detail
−15.41631.2 → 1615.7
beaten by Gastón Gaudio 0–2
02/08/04 · ATP 1000 2004 · First round · detail
−9.51640.6 → 1631.2
beaten by Jan Hernych 0–2
19/07/04 · ATP 250 2004 · First round · retirement · detail
±0.01640.6 → 1640.6
beaten by Jeff Morrison 1–2
05/07/04 · ATP 250 2004 · First round · detail
−16.61657.2 → 1640.6
beat Wesley Moodie 2–0
14/06/04 · ATP 250 2004 · First round · detail
+8.41648.8 → 1657.2
beaten by Hicham Arazi 0–2
14/06/04 · ATP 250 2004 · Second round · detail
−12.51661.3 → 1648.8
beaten by Ivo Karlović 1–2
07/06/04 · ATP 250 2004 · First round · detail
−18.71679.9 → 1661.3
beaten by Feliciano López 0–2
26/04/04 · ATP 500 2004 · First round · detail
−11.81691.7 → 1679.9
01/03/04 · ATP 250 2004 · Second round · detail
+6.31685.4 → 1691.7
beat Brendan Evans 2–0
01/03/04 · ATP 250 2004 · First round · detail
+6.31679.1 → 1685.4
beaten by Andy Roddick 1–2
01/03/04 · ATP 250 2004 · Quarterfinals · detail
−4.51683.6 → 1679.1
beat Wayne Ferreira 2–1
09/02/04 · ATP 250 2004 · First round · detail
+13.21670.5 → 1683.6
09/02/04 · ATP 250 2004 · Second round · detail
+7.51663.0 → 1670.5
beaten by Andre Agassi 0–2
09/02/04 · ATP 250 2004 · Quarterfinals · detail
−4.21667.1 → 1663.0
beaten by David Sánchez 0–2
12/01/04 · ATP 250 2004 · First round · detail
−14.21681.4 → 1667.1
beaten by Robin Söderling 1–2
05/01/04 · ATP 250 2004 · First round · detail
−16.81698.1 → 1681.4
beaten by Stefan Koubek 0–2
30/12/03 · ATP 250 2003 · Final · detail
−16.71714.9 → 1698.1
beat Roger Federer 2–0
30/12/03 · ATP 250 2003 · Quarterfinals · detail
+18.91696.0 → 1714.9
beat Mikhail Youzhny 2–0
30/12/03 · ATP 250 2003 · Semifinals · detail
+13.81682.2 → 1696.0
beat Ivo Heuberger 2–0
30/12/03 · ATP 250 2003 · First round · detail
+5.51676.7 → 1682.2
beat David Ferrer 2–0
30/12/03 · ATP 250 2003 · Second round · detail
+9.11667.6 → 1676.7
beaten by Davide Sanguinetti 0–1
20/10/03 · ATP 250 2003 · First round · retirement · detail
±0.01667.6 → 1667.6
beat Florin Mergea 2–0
13/10/03 · ATP 1000 2003 · Qualifying — First round · detail
+7.01660.6 → 1667.6
beat Bob Bryan 2–0
13/10/03 · ATP 1000 2003 · Qualifying — Qualifying competition · detail
+9.91650.7 → 1660.6
beat Sjeng Schalken 2–0
13/10/03 · ATP 1000 2003 · Second round · detail
+15.41635.3 → 1650.7
beaten by Paradorn Srichaphan 0–2
13/10/03 · ATP 1000 2003 · Third round · detail
−7.71643.0 → 1635.3

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.