The 13th seeded Indian, who returned to the circuit after a seven-month injury layoff in August, defeated the top-seeded Ouseph 11-8 11-7 11-5 in a 26-minute semi-final at the Topsportcentrum Almere late Saturday.
Jayaram, 27, had a tough journey en route to the final as he got past third-seeded Indonesian Dionysius Hayom Rumbaka in the quarter-final and Chun Hei Tam of Hong Kong in the pre-quarters.
The Chennai-born player will on Ihsan Maulana Mustofa of Indonesia in the title clash today.