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

EGTB: win in 4 half-moves

# move score
1 Ke3 win in 3 half-moves
2 Kc1 draw
3 Kc3 draw
4 Kd1 draw
5 Kd3 draw
6 Ke1 draw
7 Ra1 draw
8 Ra3 draw
9 Ra5 draw
10 Rc2 draw
11 Kc2 loss in 4 half-moves
12 Ke2 loss in 4 half-moves
13 Ra8 loss in 4 half-moves
14 Rb2 loss in 4 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra4 loss in 1 half-moves