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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kgg4 draw
6 Kgg6 draw
7 Kgh4 draw
8 Kgh6 draw
9 Khg4 draw
10 Khg6 draw
11 Khh4 draw
12 Khh6 draw
13 Rc3 draw
14 Rd3 draw
15 Re3 draw
16 Rf3 draw
17 Rg3 draw
18 Ra3 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves