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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ka7 draw
3 Kab7 draw
4 Kab8 draw
5 Kc7 draw
6 Kcb7 draw
7 Kcb8 draw
8 Kd7 draw
9 Kd8 draw
10 Rb5 draw
11 Rc5 draw
12 Rg3 draw
13 Rg4 draw
14 Rg6 draw
15 Rg7 draw
16 Rg8 draw
17 Rh5 draw
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves