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

EGTB: win in 4 half-moves

# move score
1 Khh2 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Kf2 win in 5 half-moves
5 Kgg2 win in 5 half-moves
6 Kgh2 win in 5 half-moves
7 Khg2 win in 5 half-moves
8 Rh3 win in 5 half-moves
9 Kf1 draw
10 Ra3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rc3 draw
15 Rg3 draw
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves