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

EGTB: win in 6 half-moves

# move score
1 Kb5 win in 5 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb6 draw
5 Ra8 draw
6 Rc8 draw
7 Rd3 draw
8 Rd4 draw
9 Rd5 draw
10 Rd6 draw
11 Rd7 draw
12 Re8 draw
13 Rf8 draw
14 Rg8 draw
15 Rh8 draw
16 Kb4 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves