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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kcc7 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kc6 win in 7 half-moves
5 Kd6 win in 7 half-moves
6 Kdc7 win in 7 half-moves
7 Kdd8 win in 7 half-moves
8 Ke6 win in 7 half-moves
9 Ke7 win in 7 half-moves
10 Ke8 win in 7 half-moves
11 Rb5 win in 7 half-moves
12 Kcd8 draw
13 Ra8 draw
14 Rb4 draw
15 Rb7 draw
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves