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

EGTB: win in 2 half-moves

# move score
1 Rc2 win in 1 half-moves
2 Kd7 draw
3 Rc6 draw
4 Rc7 draw
5 Ke7 loss in 12 half-moves
6 Kc7 loss in 6 half-moves
7 Ke8 loss in 4 half-moves
8 Ra8 loss in 4 half-moves
9 Rb8 loss in 4 half-moves
10 Rc1 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves