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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Rc2 draw
6 Rc3 draw
7 Rc8 draw
8 Rd1 draw
9 Re1 draw
10 Ra1 loss in 4 half-moves
11 Rb1 loss in 4 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rg1 loss in 1 half-moves