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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kg3 draw
3 Kg4 draw
4 Rg7 draw
5 Kh3 loss in 4 half-moves
6 Kh5 loss in 4 half-moves
7 Re7 loss in 4 half-moves
8 Rf7 loss in 4 half-moves
9 Ra7 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rh5 loss in 2 half-moves
13 Rh6 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Rd7 loss in 1 half-moves