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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc5 draw
3 Rb6 draw
4 Rb7 draw
5 Re5 draw
6 Rf5 draw
7 Rg5 draw
8 Rh5 draw
9 Ka3 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kg1 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves