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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Rb6 draw
7 Ra2 loss in 10 half-moves
8 Ka8 loss in 6 half-moves
9 Rb1 loss in 6 half-moves
10 Rb3 loss in 6 half-moves
11 Rc2 loss in 6 half-moves
12 Re2 loss in 4 half-moves
13 Rb4 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rf2 loss in 1 half-moves