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 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Ka6 loss in 30 half-moves
10 Ra8 loss in 20 half-moves
11 Rf8 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 1 half-moves