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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke4 draw
6 Ke5 draw
7 Kf3 draw
8 Kf5 draw
9 Kg5 draw
10 Ra3 draw
11 Re3 draw
12 Rf3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh3 draw
18 Ke3 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves