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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kcd7 draw
5 Kcd8 draw
6 Ke8 draw
7 Ked7 draw
8 Ked8 draw
9 Kf6 draw
10 Kf7 draw
11 Kf8 draw
12 Ra2 draw
13 Re2 draw
14 Rf2 draw
15 Rg1 draw
16 Rg7 draw
17 Rg8 draw
18 Rh2 draw
19 Kb7 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves