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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Ra8 draw
7 Rb2 draw
8 Rb5 draw
9 Rb6 draw
10 Kb4 loss in 10 half-moves
11 Rc8 loss in 6 half-moves
12 Rd8 loss in 4 half-moves
13 Rb1 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Re8 loss in 1 half-moves