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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kb5 draw
3 Kd5 draw
4 Kd6 draw
5 Ke1 draw
6 Ke2 draw
7 Kf2 draw
8 Kg1 draw
9 Kg2 draw
10 Ra8 draw
11 Rb8 draw
12 Rc6 draw
13 Rc7 draw
14 Rd8 draw
15 Rf8 draw
16 Rh8 draw
17 Kb4 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Re8 loss in 1 half-moves