Padraig Harrington’s defence of his Portugal Masters title will begin at 08:40 alongsideThomas Pietersand 2015 championAndy Sullivan.
Harrington finished just one clear of Sullivan in last year’s edition and claimed his 15th European Tour victory in the process.
Sullivan and Pieters, both three-time European Tour winners, complete the group, with the former hoping to win his second title after his resounding nine-shot win two years ago.
Shane Lowrywon his second European Tour event at this tournament in 2012 and is joined at 13:30 by former Ryder Cup manVictor DubuissonandLi Haotong.
Home favouriteRicardo Gouveiawill tee off at 08:30 on Thursday in the company ofJoost LuitenandThorbjørn Olesen, with Luiten aiming to better his runner-up finish in 2010.
The locals will be able to watch 2016 Masters ChampionDanny Willettwhen he begins his tournament at 13:40 withRussell Knoxand New Zealand’sRyan Fox.
Matt Wallacewon the Open de Portugal earlier this year and will aim to claim another victory in the Algarve alongsidePaul Lawrieand the 2008 championAlvaro Quiros.
Anton Karlsson, Eduardo De La RivaandScott Gregorywill get the tournament under way at 07:40 from the first tee, with Race to Dubai Ranking points on their minds ahead of the season climax.
Click here for a full list of tee times.
