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