Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Kb1 draw
2 Kb3 draw
3 Kc1 draw
4 Kc3 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Ra2 draw
9 Rb1 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves