Robert Kubica looks set to be partnered by Renault tester Sergey Sirotkin at Williams for the season ending Abu Dhabi test later this month. Kubica will be taking the opportunity to sample a 2017 specification Williams car for the first time following the Abu Dhabi Grand Prix this coming weekend, as Williams continue to search for a replacement for the retiring Felipe Massa in 2018. Although the test will be another opportunity for the returning Polish driver to test his fitness and performance ahead of a Williams driver decision, it looks like another surprise candidate has entered the reckoning, with the reported decision by Williams to give sometime Renault third driver Sergey Sirotkin an opportunity to sample the Martin backed Mercedes powered car for the first time. At present the conventional wisdom has it that Kubica, Sauber driver Pascal Wehrlien, ousted Toro Rosso driver Daniil Kvyat and Williams tester and former Force India star Paul di Resta are the main candidates for a drive alongside Canadian Lance Stroll next season, however according to Motorsport.com it looks like another Russian in the form of Sirotkin has thrown his hat into the ring, surprising many seasoned Formula One folk after really failing to impress many people during his time behind the wheel of the Renault during his four FP1 session outings this season. Both drivers are expected to get a full day each in the car, no doubt giving Williams more food for thought as they look to make a decision on who will take the legendary British outfit into battle during 2018. Check out the Formula One sub forum here at RaceDepartment for more news from the premier open wheel series in the world. Like what you see here at RaceDepartment? Don't forget to like, subscribe and follow us on social media! RaceDepartment YouTube RaceDepartment Twitter RaceDepartment Facebook RaceDepartment Twitch RaceDepartment Instagram Do you think Sirotkin has done enough in his career to deserve a Williams chance? Who should the team pick for next season in your opinion? Can Kubica be competitive if he wins the seat for next season? Let us know in the comments section below!