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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rc2 draw
3 Rf2 draw
4 Rg2 draw
5 Rh2 draw
6 Ka4 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Kc2 loss in 1 half-moves
19 Kc3 loss in 1 half-moves
20 Kc4 loss in 1 half-moves