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

EGTB: win in 4 half-moves

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