[3] He made his British Darts Organisation debut in a major event at the World Masters and won four games to reach the last 24 where he lost 3–0 to Steve Douglas.

[6] Wattimena entered the event in the preliminary round and narrowly lost 4–3 to Robert Marijanović, missing three match darts in the final leg.

[9] Wattimena twice lost in the last 16 of Players Championship events during the year and beat Robert Marijanović 6–5 at the European Darts Grand Prix, but was then knocked out 6–3 by Peter Wright in the second round.

[13] At the 15th Players Championship wins over Jonny Clayton, David Pallett, Peter Wright, Simon Stevenson and Jelle Klaasen ensured Wattimena played in his first PDC semi-final and he was defeated 6–3 by Michael van Gerwen.

[17] He knocked out Mick Todd, Dave Chisnall, Robert Thornton, Kyle Anderson and Benito van de Pas at the seventh Players Championship to reach his second PDC semi-final, where he was defeated by Kim Huybrechts 6–3.

[18] He reached third PDC semi-final at Players Championship 17, where he beat Alan Tabern, Berry van Peer, Peter Hudson, Steve Beaton and Justin Pipe, before losing to Kevin Painter 6–3.