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 Kc6 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Rg5 win in 5 half-moves
5 Rg8 win in 5 half-moves
6 Kb4 draw
7 Kb5 draw
8 Kb6 draw
9 Kd5 draw
10 Kg6 draw
11 Kg7 draw
12 Kg8 draw
13 Kh6 draw
14 Kh8 draw
15 Ra3 draw
16 Rf3 draw
17 Rg4 draw
18 Rg6 draw
19 Rh3 draw
20 Kc4 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves