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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Khh7 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Kgg7 loss in 1 half-moves
14 Khg7 loss in 1 half-moves
15 Rb1 loss in 1 half-moves
16 Rb2 loss in 1 half-moves
17 Rb3 loss in 1 half-moves
18 Rb4 loss in 1 half-moves