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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kgg7 draw
5 Kgh8 draw
6 Kh6 draw
7 Khg7 draw
8 Khh8 draw
9 Rb2 draw
10 Rg2 draw
11 Rh1 draw
12 Kg6 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh5 loss in 2 half-moves