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 Rc5 draw
6 Rc6 draw
7 Rc7 draw
8 Rc8 draw
9 Rd3 draw
10 Re3 draw
11 Ke7 loss in 4 half-moves
12 Ke8 loss in 4 half-moves
13 Ra3 loss in 4 half-moves
14 Rb3 loss in 4 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rg3 loss in 1 half-moves