Since 1999-00, 12 players are tied for the most road triple-doubles in a game versus the Grizzlies, with 1 triple-double. The first three are Luka Doncic last Friday, Stephen Curry last Tuesday and Russell Westbrook on December 29, on February 14, 2018 and on December 9, 2017.

most triple doubles in a game vs at grizzlies since 2000
Interpreted as:
most triple doubles by a player in a regular-season game vs at grizzlies since 2000
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NAMEDATETMOPPTD3MINPTSREBASTSTLBLKTOVFGMFGAFG%3PM3PA3P%FTMFTAFT%PF+/-
Luka DoncicLuka Doncic1/14/2022DALDAL@MEMMEM132271310006122254.5060.03475.02+12
Stephen CurryStephen Curry1/11/2022GSWGSW@MEMMEM13927101020382138.12922.291090.03-1
Russell WestbrookRussell Westbrook12/29/2021LALLAL@MEMMEM14016101200571643.82450.0005+1
LeBron JamesLeBron James12/9/2021LALLAL@MEMMEM13720101142571546.71616.755100.01+2
LeBron JamesLeBron James2/25/2019LALLAL@MEMMEM14024121130582334.8040.081080.03+2
James HardenJames Harden12/15/2018HOUHOU@MEMMEM14132121020591464.33742.9111384.61+3
LeBron JamesLeBron James2/23/2018CLECLE@MEMMEM13718141110371643.8020.044100.00+18
Russell WestbrookRussell Westbrook2/14/2018OKCOKC@MEMMEM13723131512461442.9040.0111291.71+14
Russell WestbrookRussell Westbrook12/9/2017OKCOKC@MEMMEM14320111410372924.11128.35862.55+11
Draymond GreenDraymond Green2/10/2017GSWGSW@MEMMEM1384111010522633.3030.0003+26
Tim DuncanTim Duncan12/5/2014SASSAS@MEMMEM13614101002261250.0002366.72+7
Derrick RoseDerrick Rose1/17/2011CHICHI@MEMMEM14022101211172035.01333.37977.82+13
Baron DavisBaron Davis1/12/2010LACLAC@MEMMEM146271212512112152.41520.044100.04+3
LeBron JamesLeBron James1/13/2009CLECLE@MEMMEM14030111031291560.01520.0111478.62+21
Brad MillerBrad Miller4/10/2007SACSAC@MEMMEM14017101121671353.80033100.03+18
Gary PaytonGary Payton10/31/2000SEASEA@VANVAN148271410106102638.52922.25771.44-6
Jason KiddJason Kidd1/12/2000PHXPHX@VANVAN14320101060441822.21714.3111384.64-3
StatMuse has game-level data for triple-doubles going back to the 1950-51 season.