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 Kc4 draw
3 Kd2 draw
4 Kd4 draw
5 Ke2 draw
6 Ra3 draw
7 Rc1 draw
8 Rc2 draw
9 Rc7 draw
10 Rc8 draw
11 Kc2 loss in 14 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves