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