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

EGTB: win in 4 half-moves

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