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