[2] Ölander represented his country in the Davis Cup competition and in the 1965 Europe Zone first-round tie against Poland he played the second singles rubber against Wieslaw Gasiorek, losing in straight sets and in the reverse singles he beat Wieslaw Nowicki in four sets.

Sweden won the first-round tie, but lost, 2–3 in the second round, to Czechoslovakia with Ölander playing in both the singles and doubles.

In 1966, once again against Poland in the first round, he played the doubles rubber with Bo Holmström, losing in four sets to Gasiorek and Nowicki.

[3] Ölander won the Swedish National Championships in 1967, beating Sven Davidson in the final.

[4] He also made his Grand Slam debut in 1967 at the French Championship, losing in the first round to Alex Metreveli.