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 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kd4 draw
6 Kd5 draw
7 Ra1 draw
8 Ra2 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Rb4 draw
13 Rc4 draw
14 Rd4 draw
15 Re4 draw
16 Rg4 draw
17 Rh4 draw
18 Kb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra8 loss in 2 half-moves