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