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 Kf6 win in 7 half-moves
3 Kh6 win in 7 half-moves
4 Kd7 draw
5 Kd8 draw
6 Ke7 draw
7 Kf4 draw
8 Kf5 draw
9 Kf7 draw
10 Kf8 draw
11 Kg4 draw
12 Kg6 draw
13 Kh4 draw
14 Kh5 draw
15 Ra3 draw
16 Rf3 draw
17 Rh3 draw
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg2 loss in 2 half-moves