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 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Rb4 draw
11 Rc1 draw
12 Rc2 draw
13 Rc3 draw
14 Rc5 draw
15 Rc7 draw
16 Rc8 draw
17 Rd4 draw
18 Re4 draw
19 Rg4 draw
20 Rh4 draw
21 Ra4 loss in 2 half-moves
22 Rc6 loss in 2 half-moves