Although Kultis career started with success in singles. However, he was from 1994 to visibly doubles players, winning with Jonas Bjorkman, Magnus Larsson and Mikael Tillström total of 13 doubles titles. In individual he came on three tournament victories on the ATP Tour.
- 2.1 Single 2.1.1 Tournament Win
- 2.1.2 finals
- 2.2.1 Tournament Win
- 2.2.2 finals
Kultis career began at the U.S. Open juniors in 1988 with a finals in singles.
The following year he won the junior singles at the Australian Open and Wimbledon and in the finals of the U.S. Open again. He finished the year as the No. 1 junior world rankings. At the Australian Open he already reached the third round at the Seniors.
In 1990 he moved to Prague for the first time in the final of an ATP tournament. At the tournament the Masters category in Stockholm, he reached for a two- set victory over Andre Agassi, the then number 4 in the world, the quarter-finals. He finished the year with the 51st ranked first in the top 100 in the world rankings.
The 1991 season began for culturing in Adelaide with his first tournament victory in the men's tour. During the year, he joined a number of major tournaments, but he failed mostly in the first round and fell in the first week in 1992 out of the Top 100 but in September 1991 he made his debut in the Davis Cup with individual wins against the Philippines Felix Barrientos and Roland so successful for the Swedish team.
In 1992 he moved at the French Open with wins over John McEnroe and Michael Chang in the quarter finals, in which Henri Leconte was able to prevail only after five sets. When ATP tournaments greater success did not materialize.
In 1993, he won again in January the tournament in Adelaide. He reached for a finals in Copenhagen and a knockout collection at the Miami Masters in Key Biscayne, which was favored by the retraction of Boris Becker in the third round, in May with number 32 the best world ranking result of his career.
In the individual tournament years were 1994 and 1995, very disappointing for culturing. He finished the 1994 season ranked 99, 1995 only ranked 165 in the world rankings.
1996 won Kulti in Hall his third and final single tournament and he could finish the year in the Top 100. In the Davis Cup final against France he lost the decisive match against Arnaud Boetsch with just 8:10 in the fifth set.
In the following years Kulti played mostly doubles, 1999, he could not celebrate more successes in Halle with the exception of the new Final feeder.
In double Kultis was first success of winning a Challenger tournament in Copenhagen in November 1989 on the side of Magnus Larsson.
In 1990 he came to the two tournaments of the ATP World Tour in Florence and San Marino to the semifinals.
In 1991 he took part in a double only three tournaments and was eliminated twice in the first and once in the second round.
In 1992, he won his first two doubles titles, at the ATP tournament in Copenhagen on the side of Magnus Larsson and at the second attempt after 1990 in San Marino with Mikael Tillström.
1993 Kulti went to only four tournaments in doubles. His best result was the semi-finals of Copenhagen.
1994 celebrated culturing his first great success in doubles. He won by Magnus Larsson, the Monte Carlo Masters and came into the semifinal of the French Open. He made a splash in the double world rankings; he had the season yet finished on rank 489 1993, he graduated in 1994 from number 23.
In 1995 he won with Mikael Tillström four Challenger Tournaments and failed with Magnus Larsson at the French Open only in the finale to the Dutch Jacco Eltingh and Paul Haarhuis. He climbed up to 17th in the world rankings and finished the year ranked 20th
1996 Kulti played mainly on the side of Jonas Björkman. They won the ATP tournament in New Delhi, reached the final in Monte Carlo and failed at the French Open and Wimbledon in the quarterfinals each of the set of number 1 Todd Woodbridge and Mark Woodforde. Thus, the two qualified for the ATP Tour World Doubles Championships, but where they already failed in the first round. They also participated in the Olympic Games in Atlanta, but lost already in the first round against Saša Hiršzon Goran Ivanisevic and from Croatia. In Davis Cup, the two disputed all four rounds in the final against France, they lost their doubles match against Guy Forget and Guillaume Raoux smooth in three sets.
1997 Kulti won two ATP tournaments and reached the U.S. Open with Björkman, with whom he was also involved in the Swedish Davis Cup overall victory in the final. He finished the year ranked 16, the double world rankings.
1998 Kulti won with Sweden again the Davis Cup and the ATP tournaments in Stockholm and St. Petersburg.
Won the 1999 tournament in Kulti not a double, so that he fell back slightly in the world rankings. He reached with Mikael Tillström the final in Key Biscayne and the semi-finals at the French Open and with Jonas Bjorkman the final of the World Team Cup.
2000 Kulti won four tournaments. He took for the second time in the Olympics, but failed in a double with Mikael Tillström equal in round one. In opposing double was Max Mirny, with whom he should win a few weeks later in Paris for the second time Masters Tournament. After the tournament, he came back into the top 20 of the double World Ranking.
The end of his career made a quarter-finals at the French Open with Frenchman Michaël Llodra.