Founded in 1932, PSIS is one of the oldest soccer teams in Indonesia. Before the professional league was held in 1994/1995, PSIS joined Perserikatan, football amateur competition organized by PSSI. The best achievement was in the 1986/87 season when PSIS won the title after defeating Persebaya Surabaya in the final 1-0.
In 1994, when Perserikatan and Galatama merged into Liga Indonesia, PSIS were put into the Premier division. In the 1998/1999 season, PSIS got their highest achievement by winning the probey. In the final, PSIS defeated Persebaya Surabaya with score 1-0. The goal was scored by Tugiyo, who was renowned as "Maradona from Purwodadi", in the injury time of the second half. But after that excellent performance, PSIS did not well in the transfer window. Consequently, PSIS were ironically relegated in 1999/2000 season. A year later, PSIS managed to secure a promotion ticket back again to the Premier division.
The last two years, PSIS Semarang had become one of the favourite team to win the title of Liga Indonesia. In 2005, PSIS finished in 3rd place after defeating PSMS Medan with a score of 2-1.
In 2006, competed in the Western Zone, PSIS finished in 3rd place of regular home and away season. Therefore PSIS went to the next round robin elimination system with 7 other teams which were split into two groups of 4. In this round, PSIS won the first match against Arema Malang, 1-0, courtesy of a Gustavo Hernan Ortiz's goal. However,they were defeated by Persik Kediri with a score of 1-3 on matchday 2 of the round robin elimination system. PSIS needed a win in the last match against Persiba Balikpapan to progress to the semi final, and they successfully booked a place in semi final with 1-0 victory in a controversial postponed match due to pitch invasion by the fans. In the semifinal match, PSIS won 1-0 against Persekabpas Pasuruan who defeated them twice in a regular home and away season. In the grand final, PSIS met Persik Kediri once again and unfortunately, PSIS were defeated with score of 0-1 in extra time. The goal was scored by Christian Gonzalez in 107th minutes. The result, brought PSIS as runner up in 2006 season.
In 2007 season, PSIS have successfully recruited Julio Lopez from Chile. Julio Lopez is projected as a replacement for Emanuel De Porras who controversially left the team after a defeat in the 2006 Liga Indonesia grand final despite the fact that PSIS were still due to be competing in Copa Dji Sam Soe against Persija Jakarta few days later. In 2009, PSIS has been relegated from Indonesian Super League