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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Kg4 draw
10 Kg5 draw
11 Kh5 draw
12 Rb4 draw
13 Rc4 draw
14 Rd4 draw
15 Re5 draw
16 Re6 draw
17 Re7 draw
18 Re8 draw
19 Kb7 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kh3 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves