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 Ka3 draw
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Rb4 draw
7 Rc2 draw
8 Rc3 draw
9 Rd4 draw
10 Re4 draw
11 Ka5 loss in 6 half-moves
12 Rc1 loss in 6 half-moves
13 Rc7 loss in 4 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves