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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rc4 draw
3 Rc5 draw
4 Rc6 draw
5 Kc2 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves