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 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Rb4 draw
6 Rc4 draw
7 Rd4 draw
8 Rg1 draw
9 Rg6 draw
10 Rg8 draw
11 Rh4 draw
12 Ka7 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg5 loss in 2 half-moves