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 Kc5 draw
3 Ra6 draw
4 Ra7 draw
5 Rc4 draw
6 Kc6 loss in 4 half-moves
7 Kd6 loss in 4 half-moves
8 Ra5 loss in 4 half-moves
9 Ra8 loss in 4 half-moves
10 Kc4 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Ra1 loss in 1 half-moves
21 Ra2 loss in 1 half-moves
22 Ra3 loss in 1 half-moves