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 Kc6 win in 3 half-moves
3 Ka2 draw
4 Kb1 draw
5 Kc4 draw
6 Kc5 draw
7 Kd4 draw
8 Kd6 draw
9 Ra7 draw
10 Rb7 draw
11 Rc7 draw
12 Rd6 draw
13 Rd8 draw
14 Re7 draw
15 Rf7 draw
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves