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 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Rc2 win in 5 half-moves
7 Re2 win in 5 half-moves
8 Ka4 draw
9 Ka6 draw
10 Kc5 draw
11 Kc6 draw
12 Kd5 draw
13 Kd7 draw
14 Ke5 draw
15 Ke6 draw
16 Ke7 draw
17 Ra1 draw
18 Ra3 draw
19 Rd2 draw
20 Rf2 draw
21 Ra4 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves