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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Kd1 draw
10 Ke1 draw
11 Re1 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Kd3 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves