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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Kd4 draw
8 Kd6 draw
9 Ke6 draw
10 Re3 draw
11 Re4 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Rf5 draw
16 Ke4 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves