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

EGTB: win in 2 half-moves

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