 / 26 January 1699.At this stage, a final Russo-Ottoman settlement was prevented by the discrepancy between Peter's demands, which included protection of the Christians in the Ottoman Balkan provinces, and the military position of Russia, as well as the lack of support by the other Holy League members.In the fall, the tsar sent Yemelyan Ignatievich Ukraintsev to the sultan's court, the Porte at Constantinople (Istanbul), to negotiate a peace.