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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ke7 win in 5 half-moves
3 Ke8 win in 5 half-moves
4 Kf7 win in 5 half-moves
5 Kfg7 win in 5 half-moves
6 Kh7 win in 5 half-moves
7 Khg7 win in 5 half-moves
8 Khg8 win in 5 half-moves
9 Rh5 win in 5 half-moves
10 Kfg8 draw
11 Ra5 draw
12 Rb5 draw
13 Rc5 draw
14 Rg3 draw
15 Rg4 draw
16 Rg6 draw
17 Rg8 draw
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves