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

EGTB: win in 2 half-moves

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