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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Rg7 win in 5 half-moves
4 Kc7 draw
5 Kcd7 draw
6 Kcd8 draw
7 Ke7 draw
8 Ked7 draw
9 Ked8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra4 draw
13 Rg3 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Rh4 draw
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves