 Nyora kuenderera mberi kweiyi ndima - Musi waZvita 22, 2019, Tatum akarova ipapo-basa repamusoro 39 mapoinzi, pamwe ne12 rebounds, mukukunda 11993 pamusoro peCharlotte Hornets. Akapfuura iyo yepamusoro-yepamusoro ne 41 mapoinzi achipesana neNew Orleans Pelicans mukukunda 140 105 musi waNdira 11, 2020. Musi waJanuary 30, Tatum akatumidzwa zita reNBA All-Starkokutanga mubasa rake, achisarudzwa somutsigiri weEastern Conference. Musi waFebruary 13, Tatum aizowana zvakare 39 points, achitamba 47 maminitsi uye achitungamirira Boston kusvika 141133 kukunda kaviri kwenguva refu pamusoro peLos Angeles Clippers. Musi waFebruary 23, akaenzana nebasa rake repamusoro-soro 41 mapoinzi mukurasikirwa 114 × 112 kuLos Angeles Lakers. Sezvo mwaka wakambomiswa nedenda re COVID-19, Tatum aizoisa 218 kurwisa Milwaukee Bucks musi waChikunguru 31, asi aizodzoka mumutambo unotevera achiwana mapoinzi makumi matatu nemana pa1122 achirova mukukunda kwe128124 pamusoro pePortland Trail Blazers musi waAugust 2. Akatumidzwa zita reAll-NBA Third Team uye sarudzo yake yekutanga yebasa rake. 