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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Ra8 draw
7 Rb1 draw
8 Rb2 draw
9 Rb6 draw
10 Rb7 draw
11 Rc8 draw
12 Re8 draw
13 Rf8 draw
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves