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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Kf6 draw
8 Kg4 draw
9 Kg5 draw
10 Kg6 draw
11 Rc4 draw
12 Rd4 draw
13 Re4 draw
14 Rf3 draw
15 Rg4 draw
16 Rh4 draw
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves