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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Kf1 draw
11 Kf2 draw
12 Kg2 draw
13 Kh1 draw
14 Kh2 draw
15 Ra8 draw
16 Re8 draw
17 Rf8 draw
18 Rg6 draw
19 Rg7 draw
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rh8 loss in 2 half-moves