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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ka3 draw
3 Ka6 draw
4 Kb3 draw
5 Ra2 draw
6 Rb1 draw
7 Rg1 draw
8 K4b4 loss in 2 half-moves
9 K4b5 loss in 2 half-moves
10 K5b4 loss in 2 half-moves
11 K5b5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves