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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ka5 draw
3 Kb3 draw
4 Kb4 draw
5 Ra2 draw
6 Ra3 draw
7 Re1 draw
8 Rf1 draw
9 Ka3 loss in 4 half-moves
10 Rb1 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves