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 Ka6 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Ra1 draw
7 Ra2 draw
8 Ra3 draw
9 Rb4 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves