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 Kb6 draw
3 Kc7 draw
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Rd3 draw
8 Re3 draw
9 Rf3 draw
10 Rg3 draw
11 Rh3 draw
12 Kb7 loss in 4 half-moves
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc5 loss in 2 half-moves