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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka6 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Rb1 draw
7 Ka4 loss in 8 half-moves
8 Ra2 loss in 8 half-moves
9 Rc1 loss in 8 half-moves
10 Rd1 loss in 4 half-moves
11 Rf1 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Re1 loss in 1 half-moves