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

EGTB: win in 6 half-moves

# move score
1 Rf4 win in 5 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc1 draw
5 Rc2 draw
6 Rc3 draw
7 Rc5 draw
8 Rg4 draw
9 Rh4 draw
10 f7 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves