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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf4 draw
5 Kf5 draw
6 Kf6 draw
7 Kg2 draw
8 Kg4 draw
9 Kg6 draw
10 Kh1 draw
11 Kh2 draw
12 Kh4 draw
13 Kh5 draw
14 Kh6 draw
15 Ra3 draw
16 Re3 draw
17 Rf3 draw
18 Rh3 draw
19 Rb3 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rg2 loss in 2 half-moves