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