== Highest losing game score ==
=== Tournament, OTCWL ===
# 552*: Stefan Rau vs. Keith Smith 582, March 2008, Dallas Open
# 545: Kevin Rickhoff vs. Mark Milan 558, August 2006, National SCRABBLE Championship
# 539: Joel Sherman vs. David Poder 541, May 2001, Campbell CA
# 533: Cheryl Cadieux vs. Chuck Armstrong 539, 1993
# 531: Jason Ubeika vs. [[Albert Hahn]] 566, 2005, Western Canadian Championship, Calgary AB
{| border="1" cellpadding="4" cellspacing= Tournament, SOWPODS ===# 540: O. Oduwole vs. M. Nicholson 570, English Open 2008# 532: Ron Hoekstra vs. John O’Laughlin 542, September 12, 2009, Toronto ON"0"
|-|- style="font-style:italic; color:green;"|colspan=5|Tournament, TWL|-| '''Score'''| '''Name'''| '''Score'''| '''Name'''| '''Date'''| '''Location'''| '''Notes'''|-| 552| Stefan Rau| 582| Keith Smith| March 7, 2008| Dallas, TX| Dallas Open|-| 545| Kevin Rickhoff| 558| Mark Milan| August 7, 2006| Phoenix, AZ| National SCRABBLE Championship|-| 539| Joel Sherman| 541| David Poder| May 26, 2001| Campbell, CA| |- style="font-style:italic; color:green;"|colspan= Club5|Tournament, CSW|-| '''Score'''| '''Name'''| '''Score'''| '''Name'''| '''Date'''| '''Location'''| '''Notes'''|-| 540| O. Oduwole| 570| M. Nicholson| January 8, 2008| Coventry, UK| English Open 2008|-| 532| Ron Hoekstra| 542| John O'Laughlin| September 12, 2009| Toronto, OTCWL =ON| Toronto International Open|- style="font-style:italic; color:green;"|colspan=5|Club, TWL|-| '''Score'''| '''Name'''| '''Score'''| '''Name'''| '''Date'''| '''Location'''| '''Notes'''|}
== Lowest winning game score ==