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 win in 5 half-moves
3 Kb5 win in 7 half-moves
4 Kf2 win in 9 half-moves
5 Ke1 win in 11 half-moves
6 Ke2 win in 11 half-moves
7 Rb2 win in 13 half-moves
8 Ra1 win in 19 half-moves
9 Ra4 win in 27 half-moves
10 Ka6 draw
11 Kb6 draw
12 Kg1 draw
13 Kg2 draw
14 Ra3 draw
15 Rc2 draw
16 Rd2 draw
17 Re2 draw
18 Rf2 draw
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves