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