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 Kc4 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb1 win in 3 half-moves
6 Rb2 win in 3 half-moves
7 Rb3 win in 3 half-moves
8 Rb5 win in 3 half-moves
9 Rd4 win in 3 half-moves
10 Kb5 win in 5 half-moves
11 Kb6 win in 5 half-moves
12 Kd4 win in 5 half-moves
13 Kd5 win in 5 half-moves
14 Ra4 win in 5 half-moves
15 Rc4 win in 5 half-moves
16 Re4 win in 5 half-moves
17 Rg4 win in 5 half-moves
18 Rh4 win in 5 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rf4 loss in 2 half-moves