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 Re5 win in 1 half-moves
3 Kc7 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Kd8 win in 3 half-moves
6 Ke7 win in 3 half-moves
7 Rd8 win in 3 half-moves
8 Re4 win in 3 half-moves
9 Re6 win in 3 half-moves
10 Re7 win in 3 half-moves
11 Rf8 win in 3 half-moves
12 Rg8 win in 3 half-moves
13 Rh8 win in 3 half-moves
14 Kc8 win in 5 half-moves
15 Kc6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves