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

EGTB: win in 6 half-moves

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