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 Kb6 win in 1 half-moves
3 Ka6 draw
4 Kb4 draw
5 Rb4 draw
6 Ra3 loss in 8 half-moves
7 Rh4 loss in 8 half-moves
8 Ra1 loss in 4 half-moves
9 Ra2 loss in 4 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves