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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rc3 draw
3 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Rd4 draw
7 Re4 draw
8 Rg4 draw
9 Rh4 draw
10 Kg4 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb4 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