He went one step further in winning his first TV title at the 2017 Champions League of Darts, defeating Gary Anderson on two occasions.

Two years later he went one step further, beating Colin Monk and Martin Adams en route to the quarter finals, losing to Raymond van Barneveld, who like Andy Fordham in 1999, went on to win the tournament.

He made his only BDO World Darts Championship appearance in 2002, beating quickfire Dutchman Vincent van der Voort in round one, but lost in the last 16 to Mervyn King.

His consistent performances on the European tour earned him qualification for the 2010 PDC World Darts Championship but he lost in the first round to 2004 finalist Kevin Painter.

However, Suljović qualified for the 2011 PDC World Darts Championship and defeated Michael van Gerwen by 3 sets to 1 in the first round.

[8] Out of those he lost in the first round in three and in the other, the German Darts Championship, he beat James Wade 6–5, before losing to Kim Huybrechts 3–6.

[8][11] Suljović played in his third World Cup of Darts and second with Maik Langendorf in February 2013, but they finished bottom of Group A, losing to Japan 4–5 and England 2–5.

[20] The first PDC major quarter-final of his career came at the UK Open by seeing off Keegan Brown, Tony Randall, Robert Thornton and Jamie Lewis.

[22] Suljović partnered Rowby-John Rodriguez for the first time in the 2014 World Cup of Darts and they lost both of their singles matches in the second round against the Belgium brothers Kim and Ronny Huybrechts to exit the event.

[23] At his home event the Austrian Darts Open, Suljović produced four fine displays to reach the semi-finals where he was defeated 6–3 by Vincent van der Voort.

[31] Suljović fought for a narrow 2–1 lead in his first major semi-final, but Robert Thornton won three sets in a row to end his tournament with a 4–2 defeat.

[35] He then saw off Mervyn King 6–5 and Joe Cullen 6–4 to reach another semi-final, where he missed one dart at the bullseye in the deciding leg to complete a 132 finish against Wright in a 6–5 loss.

[37] Suljović and his second round World Championship opponent David Pallett both missed darts at doubles to complete nine-dart finishes in a close match in which there was never more than a set between the players.

[40] Suljović and Rodriguez got to the quarter-finals of the World Cup, but only won one leg between them as they lost both of their singles matches to the top seeds of England.

[47] He qualified for his first Grand Slam of Darts and had a chance of getting out his group going in to the final round of fixtures, but was defeated 5–3 by Raymond van Barneveld.

Suljović thrashed Adrian Lewis 4–0 and Rowby-John Rodriguez lost 4–1 to Dave Chisnall, before Austria were defeated 4–2 in the decisive doubles match.

In the next European Tour Event, in his home town Vienna, Suljović beat Ronny Huybrechts in the second round, before losing to Mervyn King.

Wins over Kist, Henderson and a walk-over (as his opponent Cullen withdrew in the third round) put him into the semis, where The Gentle lost to eventual champion Wright 6–3.

[58] Suljović reached the semi-finals of the World Grand Prix for the second time in his career, losing 4–3 in sets to Simon Whitlock.

At the "not liked World Championship" (as he says) in 2018, Suljović beat Kevin Painter 3–0 and Robert Thornton 4–2 to progress to the Last 16 stage, where he won only a few legs against Dimitri Van den Bergh.

[60] In 2021, Suljović and Rowby-John Rodriguez reached their first World Cup of Darts final, but the Austrian pair lost 3–1 to Scotland.

[62] In the 2024 World Cup of Darts, Suljović and his Austria teammate Rowby-John Rodriguez were the runners-up once again, reaching the final where they lost to England.

However, Suljović was eliminated in the group stage, because he lost his three matches to Michael Smith, Mike De Decker and Jermaine Wattimena.