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

EGTB: win in 4 half-moves

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