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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka2 draw
3 Ka4 draw
4 Ka7 draw
5 Kb2 draw
6 Kb3 draw
7 Kb4 draw
8 Kb7 draw
9 Kb8 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Rf1 draw
14 Rf5 draw
15 Rf6 draw
16 Rf7 draw
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves