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

EGTB: win in 6 half-moves

# move score
1 Ra6 win in 5 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kab7 draw
5 Kb8 draw
6 Kd6 draw
7 Kd7 draw
8 Kb5 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kcb7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves