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

EGTB: win in 8 half-moves

# move score
1 Ka6 win in 7 half-moves
2 Ka3 draw
3 Kaa4 draw
4 Kb3 draw
5 Kba4 draw
6 Kbb5 draw
7 Kc3 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Rb1 draw
12 Rh1 draw
13 Kab5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves