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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc3 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Rd8 win in 3 half-moves
8 Kb4 win in 5 half-moves
9 Kb5 win in 5 half-moves
10 Kd3 win in 5 half-moves
11 Kd4 win in 5 half-moves
12 Ra8 win in 5 half-moves
13 Rc8 win in 5 half-moves
14 Re8 win in 5 half-moves
15 Rg8 win in 5 half-moves
16 Rh8 win in 5 half-moves
17 Kb3 win in 7 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rf8 loss in 2 half-moves