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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Ra4 draw
7 Ra6 draw
8 Rb5 draw
9 Rc5 draw
10 Rd5 draw
11 Rh5 draw
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rg5 loss in 2 half-moves