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

EGTB: win in 2 half-moves

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