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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kc3 draw
7 Kc4 draw
8 Kc5 draw
9 Rd1 draw
10 Rd2 draw
11 Rd3 draw
12 Rd5 draw
13 Rd6 draw
14 Re4 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Rc4 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves