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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc6 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kdc5 win in 3 half-moves
5 Kdd4 win in 3 half-moves
6 Ke4 win in 3 half-moves
7 Ke5 win in 3 half-moves
8 Ke6 win in 3 half-moves
9 Rb1 win in 3 half-moves
10 Rb2 win in 3 half-moves
11 Rb3 win in 3 half-moves
12 Rb5 win in 3 half-moves
13 Kcd4 win in 7 half-moves
14 Ra4 win in 7 half-moves
15 Kb3 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kcc5 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves