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 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Ra4 draw
10 Rb4 draw
11 Rc4 draw
12 Rd4 draw
13 Re5 draw
14 Kb6 loss in 6 half-moves
15 Re1 loss in 4 half-moves
16 Re2 loss in 4 half-moves
17 Re3 loss in 4 half-moves
18 Re6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Re7 loss in 1 half-moves