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