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 Ra2 draw
7 Rb1 draw
8 Rb7 draw
9 Rb8 draw
10 Kd2 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves