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

EGTB: win in 4 half-moves

# move score
1 Rh1 win in 3 half-moves
2 Rh2 win in 3 half-moves
3 Rd7 draw
4 Rg7 draw
5 Rh3 draw
6 Rh4 draw
7 Rh5 draw
8 Rh8 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Ke1 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rh6 loss in 2 half-moves