Former Bayern Munich's football defender Jerome Boateng is seen on the day of trial in court in Munich, southern Germany, on Sept 9, 2021. (CHRISTOF STACHE / AFP)

Former Germany and Bayern Munich defender Jerome Boateng, who this month signed for Olympique Lyonnais, was found guilty of premeditated bodily harm on his former partner, a spokesperson for a court in Munich said on Thursday.

Jerome Boateng spent 10 years at Bayern Munich after joining from Man City in 2011, winning nine Bundesliga titles and two Champions League trophies

He was fined 1.8 million euros (US$2.13 million).

The 2014 World Cup winner, who had appeared in the Munich court wearing a dark blue suit, was accused of injuring his ex-girlfriend in a fight during a vacation in 2018.

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The mother of his twin daughters accused Boateng of hurling a lamp at her which missed and then throwing a small cooling box which injured her arm before hitting her and pulling her hair.

Boateng had denied injuring his ex-girlfriend.

The 33-year-old centre-back spent 10 years at Bayern after joining from Manchester City in 2011, winning nine Bundesliga titles and two Champions League trophies. He signed a two-year contract at Ligue 1 side Lyon last week.