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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Ka6 win in 5 half-moves
4 Kb3 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Ka3 win in 11 half-moves
7 Kaa4 draw
8 Kba4 draw
9 Kbb5 draw
10 Ra1 draw
11 Ra4 draw
12 Rb2 draw
13 Rd2 draw
14 Rh2 draw
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves