 Nyora kuenderera mberi kweiyi ndima - Musi wa12 Nyamavhuvhu 2012, Lewandowski akatanga mwaka wa2012 13 nekukora mu1 2 2012 DFL-Supercupkukundwa neBayern Munich. Akaita kuonekwa kwake kwekutanga kwe2012 13 Bundesliga mushandirapamwe muDortmunds 2 × 1 kukunda Werder Bremen pazuva rekuvhura kwemwaka. Akatora chibodzwa chake chekutanga mukukunda 30 pamusoro peBayer Leverkusen musi wa15 Gunyana 2012, achiwedzera mutambo weDortmund kusvika pamitambo makumi matatu neshanu isina kukundwa uye akatamisa kirabhu kuenda pachinzvimbo chechitatu muBundesliga. Mazuva matatu gare gare, mumutambo wekutanga weChampions League mwaka, Lewandowski akawana mukombe muminiti yechi87 kuti akunde Ajax ne10. Akagadzira rekodhi nyowani yekirabhu yekurova kwenguva refu, achinge arova mumitambo gumi nemaviri yeligi yakateedzana, achipfuura rekodhi yaFriedhelm Konietzka kubva mwaka wa1964-65. Musi wa9 Kukadzi 2013, Lewandowski akavhura zvibodzwa mumutambo wepamusha neHamburg, asi akadzingwa muminiti ye31 nekuda kwekukanganisa paPer Ciljan Skjelbred uye Dortmund akarasikirwa ne14. Akapedza mwaka aine zvibodzwa makumi maviri nezvina, chinangwa chimwe chete pasi pemutambi wepamusoro weBundesliga, Bayer Leverkusens Stefan Kießling. 