John Fitzgerald

Where the 1451.2 rating comes from

From 49 matches played between 1 January 1990 and 6 February 1995, 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.

49 matches, from the most recent to the first

beaten by Wayne Ferreira 0–2
06/02/95 · ATP 250 1995 · First round · detail
−3.11454.3 → 1451.2
beaten by Petr Korda 0–3
20/06/94 · ATP Grand Slam 1994 · First round · detail
−3.61457.9 → 1454.3
beat David Nainkin 2–0
01/11/93 · ATP 1000 1993 · Qualifying — First round · detail
+14.71443.2 → 1457.9
beaten by Andrei Olhovskiy 0–2
01/11/93 · ATP 1000 1993 · Qualifying — Second round · detail
−9.21452.4 → 1443.2
beaten by Michael Tebbutt 0–2
11/10/93 · ATP 500 1993 · First round · detail
−11.71464.1 → 1452.4
beaten by Fabio Silberberg 0–2
09/08/93 · ATP 1000 1993 · Qualifying — First round · detail
−11.11475.2 → 1464.1
beaten by Markus Naewie 1–2
05/07/93 · ATP 250 1993 · First round · detail
−11.01486.3 → 1475.2
beat Sergi Bruguera 2–1
04/01/93 · ATP 250 1993 · First round · detail
+19.31467.0 → 1486.3
beaten by Richard Fromberg 0–2
04/01/93 · ATP 250 1993 · Quarterfinals · detail
−10.91477.8 → 1467.0
04/01/93 · ATP 250 1993 · Second round · detail
+13.51464.4 → 1477.8
beat Jan Siemerink 2–0
30/12/92 · ATP 250 1992 · First round · detail
+16.01448.3 → 1464.4
beaten by Christian Bergström 0–2
30/12/92 · ATP 250 1992 · Second round · detail
−7.71456.0 → 1448.3
beaten by Jim Grabb 0–2
05/10/92 · ATP 500 1992 · First round · detail
−9.71465.7 → 1456.0
beaten by Gary Muller 0–2
17/08/92 · ATP 500 1992 · First round · detail
−10.51476.3 → 1465.7
beaten by Wayne Ferreira 1–3
22/06/92 · ATP Grand Slam 1992 · First round · detail
−5.91482.1 → 1476.3
beaten by Jason Stoltenberg 1–2
08/06/92 · ATP 250 1992 · First round · detail
−10.41492.5 → 1482.1
beat Song Hyeong-keun 2–0
20/04/92 · ATP 250 1992 · First round · detail
+12.71479.8 → 1492.5
beaten by Gianluca Pozzi 0–2
20/04/92 · ATP 250 1992 · Quarterfinals · detail
−12.01491.9 → 1479.8
beat Byron Black 2–0
20/04/92 · ATP 250 1992 · Second round · detail
+9.61482.2 → 1491.9
beaten by Wally Masur 0–2
06/04/92 · ATP 500 1992 · Second round · detail
−9.41491.6 → 1482.2
beat Danilo Marcelino 2–0
06/04/92 · ATP 500 1992 · First round · detail
+10.31481.3 → 1491.6
beaten by Stefan Edberg 0–3
13/01/92 · ATP Grand Slam 1992 · detail
−2.21483.5 → 1481.3
beat Mark Koevermans 3–0
13/01/92 · ATP Grand Slam 1992 · detail
+12.91470.6 → 1483.5
beat Jan Siemerink 3–0
13/01/92 · ATP Grand Slam 1992 · detail
+15.11455.4 → 1470.6
beaten by Emilio Sánchez 0–2
06/01/92 · ATP 250 1992 · Second round · detail
−5.61461.0 → 1455.4
beat Cédric Pioline 2–1
06/01/92 · ATP 250 1992 · First round · detail
+12.01449.0 → 1461.0
beaten by Magnus Gustafsson 0–2
31/12/91 · ATP 250 1991 · First round · detail
−3.61452.5 → 1449.0
beat Johan Anderson 2–0
30/09/91 · ATP 500 1991 · First round · detail
+12.51440.0 → 1452.5
beaten by Brad Gilbert 0–2
30/09/91 · ATP 500 1991 · Second round · detail
−5.01445.0 → 1440.0
beaten by MaliVai Washington 0–2
10/06/91 · ATP 250 1991 · Quarterfinals · detail
−7.91452.9 → 1445.0
beat Derrick Rostagno 2–0
10/06/91 · ATP 250 1991 · Second round · detail
+17.21435.7 → 1452.9
10/06/91 · ATP 250 1991 · Third round · detail
+14.81420.9 → 1435.7
beat Chris Bailey 2–0
10/06/91 · ATP 250 1991 · First round · detail
+13.51407.4 → 1420.9
beat Richard Krajicek 2–0
08/04/91 · ATP 500 1991 · First round · detail
+18.61388.8 → 1407.4
beaten by Michael Chang 0–2
08/04/91 · ATP 500 1991 · Second round · detail
−4.21393.0 → 1388.8
beaten by Richey Reneberg 0–2
05/11/90 · ATP 250 1990 · First round · detail
−4.81397.8 → 1393.0
beaten by Pat Cash 1–2
01/10/90 · ATP 500 1990 · First round · detail
−5.91403.7 → 1397.8
beaten by Mark Woodforde 0–2
13/08/90 · ATP 500 1990 · First round · detail
−7.71411.4 → 1403.7
beaten by Mark Woodforde 0–3
25/06/90 · ATP Grand Slam 1990 · First round · detail
−8.91420.3 → 1411.4
beaten by Scott Davis 1–2
11/06/90 · ATP 250 1990 · First round · detail
−18.71439.0 → 1420.3
beaten by Grant Connell 0–2
12/03/90 · ATP 1000 1990 · First round · detail
−22.01461.0 → 1439.0
beaten by Christian Bergström 0–2
26/02/90 · ATP 250 1990 · First round · detail
−25.71486.7 → 1461.0
beaten by Andrew Sznajder 1–2
19/02/90 · ATP 500 1990 · First round · detail
−28.01514.6 → 1486.7
beat Wally Masur 2–1
12/02/90 · ATP 500 1990 · First round · detail
+27.01487.6 → 1514.6
12/02/90 · ATP 500 1990 · Second round · detail
+23.51464.2 → 1487.6
beaten by Aaron Krickstein 0–2
12/02/90 · ATP 500 1990 · Third round · detail
−18.11482.2 → 1464.2
beaten by Gilad Bloom 1–3
15/01/90 · ATP Grand Slam 1990 · detail
−22.81505.0 → 1482.2
beat Xavier Daufresne 2–1
01/01/90 · ATP 250 1990 · First round · detail
+25.41479.6 → 1505.0
beaten by Thomas Muster 0–2
01/01/90 · ATP 250 1990 · Second round · detail
−20.41500.0 → 1479.6

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.