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

EGTB: win in 2 half-moves

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