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 Kd4 draw
3 Kd6 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Rc1 draw
8 Rc2 draw
9 Rc3 draw
10 Rc5 draw
11 Rc7 draw
12 Rc8 draw
13 Rd4 draw
14 Re4 draw
15 Rg4 draw
16 Rh4 draw
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc6 loss in 2 half-moves