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

EGTB: win in 10 half-moves

# move score
1 Rb7 win in 9 half-moves
2 Ka2 draw
3 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kb3 draw
8 Kb4 draw
9 Kb5 draw
10 Kb7 draw
11 Kc6 draw
12 Kc7 draw
13 Ra8 draw
14 Rc8 draw
15 Rg8 draw
16 Rh8 draw
17 Kb2 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves