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 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Rb4 draw
7 Rc4 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Kb6 loss in 20 half-moves
18 Kb4 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re5 loss in 2 half-moves