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 Ka1 draw
3 Kab1 draw
4 Kab2 draw
5 Kab3 draw
6 Kc1 draw
7 Kcb1 draw
8 Kcb2 draw
9 Kcb3 draw
10 Kd1 draw
11 Kd2 draw
12 Rb5 draw
13 Rf1 draw
14 Rf2 draw
15 Rf3 draw
16 Rf4 draw
17 Rg5 draw
18 Rh5 draw
19 Ka3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves