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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Rc1 draw
6 Rc2 draw
7 Rc3 draw
8 Rc4 draw
9 Ka6 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc7 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 Kb8 loss in 1 half-moves