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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Re6 win in 3 half-moves
3 Kg7 win in 5 half-moves
4 Kh7 win in 5 half-moves
5 Kh8 win in 5 half-moves
6 Re2 win in 5 half-moves
7 Re3 win in 5 half-moves
8 Rf1 win in 5 half-moves
9 Rg1 win in 5 half-moves
10 Rh1 win in 5 half-moves
11 Kf7 loss in 4 half-moves
12 Kf8 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves