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 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Re4 draw
10 Rf4 draw
11 Rh3 draw
12 Rh5 draw
13 Rh6 draw
14 Rh7 draw
15 Rh8 draw
16 Kb4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves