 Nyora kupfuurira kweiyi ndima - Nenyaya neOttomans ikozvino yakagadziriswa, Peter akatendeudzira kutarisisa kwake kuchamhembe, uye kukuparadzwa kweSweden Empire paBaltic. Akatora Viborg, Riga, uye Reval muna 1710. NaCharles XII zvino abviswa pachigaro, mubatanidzwa wokurwisana neSweden wakaumbwazve. Peter akakamura uto rake pakati pokubetsera vavakidzani vake kumaodzanyemba kweBaltic, uye kurwisa kwake amene kumabvazuva. Zvazvino Estonia neLivonia, zvisina kudzivirirwa zvakasimba, zvakakurumidza kuwa. Peter akabva aenda kuchamhembe ndokupinda muFinland muna 1713. Panguva iyi, Charles, achifamba asingazivikanwi, akadzokera kuSweden muna 1714. VaSweden, vane umambo hwavo hwakaputsika uye vasina chinhu chokurasikirwa nacho, vakapfuurira kurwa. Mugungwa, ngarava dzehondo dzeRussia dzakanga dzagadzirwa nechekare, idzo dzakanga dzaratidza kuti hadzina maturo apo kukunda kwakanga kuchiri kusingazivikanwi, dzakanga dzichiratidza kukosha kwadzo mukusimbisa kukunda kweRussia; kukunda paGangutmuna 1714, Ösel muna 1719, uye Grengam muna 1720 vakapa Peter simba pamusoro pegungwa. 