Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Kg5 draw
8 Kg6 draw
9 Kg7 draw
10 Kh5 draw
11 Kh7 draw
12 Ra4 draw
13 Rc4 draw
14 Rd4 draw
15 Re3 draw
16 Re5 draw
17 Re6 draw
18 Re7 draw
19 Re8 draw
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves