Career
He defeated compatriot Jarkko Komula in the preliminary round, before being beaten 1–3 in sets by Gary Anderson in the first round, receiving praise for his high-scoring. They then defeated the host nation Germany in the quarter-finals to face the Belgian brothers Ronny and Kim Huybrechts in the semi-finals. Haavisto lost to Kim 1–4, but Komula beat Ronny meaning a doubles match was required to settle the tie.
However, they were whitewashed 0–4 to exit the tournament.
Haavisto faced Justin Pipe in the first round and was defeated 6–3. In the final of the Scandinavian qualifier for the 2014 World Championship, Haavisto was edged out 6–5 by Dennis Lindskjold.
Haavisto and Komula squandered a 3–1 lead in the first round of the World Cup of Darts against Poland as they suffered a shock 5–4 defeat. He was beaten 4–1 in legs by John Michael in the preliminary round.
Haavisto only played in one other event during the whole of 2015.
Personal Digital Cellular
2013: First round (lost to Gary Anderson 1–3)
2015: Preliminary round (lost to John Michael 1–4 in legs).