David Witt

Where the 1491.7 rating comes from

From 41 matches played between 27 August 1990 and 3 August 1998, 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.

41 matches, from the most recent to the first

beaten by James Sekulov 0–2
03/08/98 · ATP 1000 1998 · Qualifying — First round · detail
−14.91506.5 1491.7
beaten by Marcello Craca 0–2
20/04/98 · ATP 250 1998 · First round · detail
−12.81519.3 1506.5
beat Wayne Black 2–1
02/03/98 · ATP 250 1998 · Qualifying — First round · detail
+13.01506.2 1519.3
beaten by Ramón Delgado 0–2
02/03/98 · ATP 250 1998 · Qualifying — Qualifying competition · detail
−13.81520.1 1506.2
beat Lleyton Hewitt 2–0
02/03/98 · ATP 250 1998 · Qualifying — Second round · detail
+15.61504.4 1520.1
beaten by Greg Rusedski 0–3
19/01/98 · ATP Grand Slam 1998 · detail
−2.91507.3 1504.4
beat Kenneth Carlsen 2–0
05/05/97 · ATP 250 1997 · First round · detail
+13.71493.7 1507.3
beaten by Jason Stoltenberg 0–2
05/05/97 · ATP 250 1997 · Quarterfinals · detail
−5.71499.4 1493.7
05/05/97 · ATP 250 1997 · Second round · retirement · detail
±0.01499.4 1499.4
beaten by Jamie Morgan 0–2
17/04/95 · ATP 250 1995 · First round · detail
−11.81511.2 1499.4
beat Wally Masur 3–1
29/08/94 · ATP Grand Slam 1994 · detail
+16.21494.9 1511.2
beaten by Jaime Yzaga 1–3
29/08/94 · ATP Grand Slam 1994 · detail
−7.21502.2 1494.9
beaten by Mark Petchey 1–2
04/07/94 · ATP 250 1994 · Quarterfinals · detail
−15.11517.2 1502.2
beat Greg Rusedski 2–1
04/07/94 · ATP 250 1994 · Second round · detail
+15.01502.3 1517.2
beat Daniel Nestor 2–0
04/07/94 · ATP 250 1994 · First round · detail
+12.51489.8 1502.3
beaten by Marc Rosset 0–3
20/06/94 · ATP Grand Slam 1994 · First round · detail
−6.21496.0 1489.8
beaten by Wayne Ferreira 0–2
06/06/94 · ATP 250 1994 · Second round · detail
−4.71500.7 1496.0
beat Steve Bryan 2–0
06/06/94 · ATP 250 1994 · First round · detail
+13.51487.2 1500.7
beat Mats Wilander 2–1
11/04/94 · ATP 250 1994 · Second round · detail
+14.51472.7 1487.2
beaten by Marcelo Filippini 0–2
11/04/94 · ATP 250 1994 · Quarterfinals · detail
−11.51484.2 1472.7
11/04/94 · ATP 250 1994 · First round · detail
+18.71465.6 1484.2
beaten by Chuck Adams 0–2
08/11/93 · ATP 250 1993 · First round · detail
−10.01475.5 1465.6
beaten by Jaime Yzaga 0–2
16/08/93 · ATP 500 1993 · First Round · detail
−8.81484.3 1475.5
beat Todd Nelson 2–0
09/08/93 · ATP 1000 1993 · Qualifying — First round · detail
+9.81474.6 1484.3
beat David Nainkin 2–0
09/08/93 · ATP 1000 1993 · Qualifying — Second round · detail
+14.21460.3 1474.6
beaten by Daniel Nestor 1–2
09/08/93 · ATP 1000 1993 · Qualifying — Qualifying competition · detail
−12.91473.2 1460.3
beat Todd Witsken 2–0
05/07/93 · ATP 250 1993 · First round · detail
+12.11461.0 1473.2
beaten by Luis Herrera 0–2
05/07/93 · ATP 250 1993 · Second round · detail
−12.61473.6 1461.0
beaten by Todd Martin 0–2
07/06/93 · ATP 250 1993 · Quarterfinals · detail
−8.81482.4 1473.6
beat Ross Matheson 2–0
07/06/93 · ATP 250 1993 · Second round · detail
+13.11469.3 1482.4
07/06/93 · ATP 250 1993 · First round · detail
+12.61456.7 1469.3
beat Chris Wilkinson 2–1
07/06/93 · ATP 250 1993 · Third round · detail
+26.61430.1 1456.7
12/04/93 · ATP 250 1993 · First round · detail
+41.41388.7 1430.1
beaten by Claudio Mezzadri 0–2
12/04/93 · ATP 250 1993 · Second round · detail
−17.31406.0 1388.7
beaten by Roger Smith 0–2
01/03/93 · ATP 1000 1993 · Qualifying — First round · detail
−18.41424.4 1406.0
beaten by Alex O'Brien 1–2
01/02/93 · ATP 250 1993 · First round · detail
−18.01442.4 1424.4
beaten by Marcos Ondruska 1–2
17/08/92 · ATP 500 1992 · First round · detail
−22.91465.3 1442.4
beaten by Shuzo Matsuoka 1–2
12/08/91 · ATP 500 1991 · First round · detail
−18.61484.0 1465.3
beat Tim Mayotte 2–0
01/04/91 · ATP 250 1991 · First round · detail
+29.31454.7 1484.0
beaten by Jimmy Arias 1–2
01/04/91 · ATP 250 1991 · Second round · detail
−22.11476.8 1454.7
beaten by Shuzo Matsuoka 0–3
27/08/90 · ATP Grand Slam 1990 · detail
−23.21500.0 1476.8

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.