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