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 K6g7 draw
3 K6h7 draw
4 K8g7 draw
5 K8h7 draw
6 Kg5 draw
7 Kg6 draw
8 Kg8 draw
9 Kh5 draw
10 Rc3 draw
11 Rc8 draw
12 Rd7 draw
13 Re7 draw
14 Rf7 draw
15 Rh7 draw
16 Ra7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves