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

EGTB: win in 4 half-moves

# move score
1 Kcb7 win in 3 half-moves
2 Kb6 win in 9 half-moves
3 Ra8 win in 9 half-moves
4 Kab7 draw
5 Rb2 draw
6 Rb3 draw
7 Rb4 draw
8 Ka5 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves