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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Ke3 win in 3 half-moves
6 Kb2 win in 7 half-moves
7 Ke4 win in 7 half-moves
8 Kb4 win in 11 half-moves
9 Rb2 win in 11 half-moves
10 Ka4 draw
11 Ra1 draw
12 Rc2 draw
13 Rd2 draw
14 Rh2 draw
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves