Takuma Sato has emerged fastest from the official IndyCar test at Phoenix Raceway, ahead of Will Power.
Power briefly held the fastest lap during the night session, a 19.3878s from his Team Penske Chevrolet, before Sato took his Rahal Letterman Lanigan Rahal around the mile-long oval in 19.3790s.
Sato was therefore fastest in three of the four three-hour sessions and second to only team-mate Graham Rahal on the Friday night.
Rahal failed to improve on the Saturday and ended up fifth-fastest on combined times, behind Tony Kanaan (AJ Foyt Chevrolet) and 2017 Verizon IndyCar Series champion Josef Newgarden (Team Penske Chevrolet).
Scott Dixon spun his Chip Ganassi Honda into the wall having set a time good enough for eighth-fastest.
The New Zealander got loose in traffic but incurred relatively minor damage.
Matheus Leist twice scraped the wall in his AJ Foyt Chevrolet in the final half-hour, but ended up the fastest rookie in 13th.
The season proper opens with the Grand Prix of St Petersburg on March 9-11.
Combined results: Phoenix test
|1||30||Takuma Sato||Rahal Letterman Lanigan||D/H/F||0:19.3790||Sat evening|
|2||12||Will Power||Team Penske||D/C/F||0:19.3878||Sat evening|
|3||14||Tony Kanaan||AJ Foyt Racing||D/C/F||0:19.4018||Sat evening|
|4||1||Josef Newgarden||Team Penske||D/C/F||0:19.4257||Sat evening|
|5||15||Graham Rahal||Rahal Letterman Lanigan||D/H/F||0:19.4574||Fri evening|
|6||98||Marco Andretti||Andretti Herta w/ Curb-Agajanian||D/H/F||0:19.4658||Sat evening|
|7||27||Alexander Rossi||Andretti Autosport||D/H/F||0:19.4729||Sat evening|
|8||9||Scott Dixon||Chip Ganassi Racing||D/H/F||0:19.5152||Sat evening|
|9||22||Simon Pagenaud||Team Penske||D/C/F||0:19.5256||Fri evening|
|10||28||Ryan Hunter-Reay||Andretti Autosport||D/H/F||0:19.5358||Sat a’noon|
|11||18||Sebastien Bourdais||DCR w/ Vasser-Sullivan||D/H/F||0:19.5746||Sat a’noon|
|12||10||Ed Jones||Chip Ganassi Racing||D/H/F||0:19.6019||Sat a’noon|
|13||4||Matheus Leist (R)||AJ Foyt Racing||D/C/F||0:19.6296||Sat a’noon|
|14||21||Spencer Pigot||Ed Carpenter Racing||D/C/F||0:19.6425||Sat evening|
|15||19||Pietro Fittipaldi (R)||Dale Coyne Racing||D/H/F||0:19.6521||Sat evening|
|16||6||Robert Wickens (R)||Schmidt Peterson||D/H/F||0:19.7495||Sat a’noon|
|17||26||Zach Veach (R)||Andretti Autosport||D/H/F||0:19.7560||Sat evening|
|18||23||Charlie Kimball||Carlin||D/C/F||0:19.7618||Sat evening|
|19||59||Max Chilton||Carlin||D/C/F||0:19.8278||Sat evening|
|20||88||Gabby Chaves||Harding Racing||D/C/F||0:19.9229||Sat evening|
|21||20||Ed Carpenter||Ed Carpenter Racing||D/C/F||0:19.9759||Sat evening|
|22||5||James Hinchcliffe||Schmidt Peterson||D/H/F||0:20.0465||Fri evening|
|23||32||Kyle Kaiser (R)||Juncos Racing||D/C/F||0:20.2367||Fri a’noon|
(C)hassis: D=Dallara | (E)ngine: C=Chevy, H=Honda | (T)yre: F=Firestone