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 Ra4 draw
8 Rc4 draw
9 Rd4 draw
10 Re2 draw
11 Re3 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Rg4 draw
16 Rh4 draw
17 Kb4 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re5 loss in 2 half-moves