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 Rb4 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Re6 win in 1 half-moves
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves