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 Rc6 win in 1 half-moves
3 Kc1 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke1 draw
8 Ra2 draw
9 Rc1 draw
10 Rc7 draw
11 Rc8 draw
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves