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 win in 9 half-moves
4 Rb4 draw
5 Kc7 loss in 2 half-moves
6 Kcb7 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves