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 Rc4 draw
12 Rd3 draw
13 Rd5 draw
14 Rd6 draw
15 Rd7 draw
16 Re4 draw
17 Rg4 draw
18 Rh4 draw
19 Ra4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves