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 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg1 draw
6 Kg3 draw
7 Kh2 draw
8 Kh3 draw
9 Rb8 draw
10 Rd8 draw
11 Rf8 draw
12 Rg3 draw
13 Rg5 draw
14 Rg7 draw
15 Rh8 draw
16 Kh1 loss in 12 half-moves
17 Ra8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rc8 loss in 1 half-moves