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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Ra1 win in 1 half-moves
3 Rh4 win in 1 half-moves
4 Ka6 draw
5 Kb4 draw
6 Kb5 draw
7 Ra2 draw
8 Ra3 draw
9 Rb4 loss in 2 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