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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Ra8 draw
6 Rb4 draw
7 Rc8 draw
8 Kb4 loss in 8 half-moves
9 Rb6 loss in 8 half-moves
10 Rb7 loss in 8 half-moves
11 Ka3 loss in 6 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rf8 loss in 1 half-moves