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

EGTB: draw

# move score
1 Ka7 draw
2 Ka8 draw
3 Kb1 draw
4 Kc1 draw
5 Kc8 draw
6 Kd1 draw
7 Kd2 draw
8 Ra2 draw
9 Rb1 draw
10 Rb7 draw
11 Kb3 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves