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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Ke4 draw
8 Ke7 draw
9 Ke8 draw
10 Kf7 draw
11 Kg7 draw
12 Kg8 draw
13 Ra4 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Ra8 draw
18 Rc3 draw
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves