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 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Ra4 draw
8 Rb4 draw
9 Rd4 draw
10 Rg4 draw
11 Rf3 loss in 10 half-moves
12 Rf1 loss in 4 half-moves
13 Re4 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rf5 loss in 1 half-moves
17 Rf6 loss in 1 half-moves
18 Rf7 loss in 1 half-moves
19 Rf8 loss in 1 half-moves