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