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

EGTB: win in 2 half-moves

# move score
1 Kg7 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Re1 win in 1 half-moves
4 Re4 win in 1 half-moves
5 Re5 win in 1 half-moves
6 Re6 win in 1 half-moves
7 Ke7 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Kg8 loss in 1 half-moves