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

EGTB: win in 4 half-moves

# move score
1 Kg8 win in 3 half-moves
2 K8g7 draw
3 Kh5 draw
4 Re7 draw
5 K6g7 loss in 2 half-moves
6 Kg5 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves