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 K3a4 draw
3 K5a4 draw
4 Ka2 draw
5 Ka6 draw
6 Kb2 draw
7 Kb3 draw
8 Rb1 draw
9 Rh1 draw
10 K3b4 loss in 2 half-moves
11 K5b4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves