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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kbb1 win in 3 half-moves
3 Kc1 win in 3 half-moves
4 Kc3 win in 3 half-moves
5 Ra3 win in 3 half-moves
6 Ka3 draw
7 Kab1 draw
8 Kc2 draw
9 Ra4 draw
10 Ra5 draw
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves