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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kd1 draw
6 Ke2 draw
7 Kf1 draw
8 Kf2 draw
9 Ra1 draw
10 Ra2 draw
11 Ra4 draw
12 Rb3 draw
13 Rc3 draw
14 Rg3 draw
15 Rh3 draw
16 Kb5 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves