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 Ra3 draw
3 Rc3 draw
4 Rg3 draw
5 Rh5 draw
6 Rh6 draw
7 Rh8 loss in 4 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh4 loss in 2 half-moves