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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Ra8 draw
6 Rb7 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Rb2 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rb3 loss in 1 half-moves
14 Rb4 loss in 1 half-moves
15 Rb5 loss in 1 half-moves
16 Rb6 loss in 1 half-moves