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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Rb3 draw
3 Rd3 draw
4 Rf3 draw
5 Rh4 draw
6 Rh5 draw
7 Rh6 draw
8 Rh8 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves