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 Rd5 win in 3 half-moves
3 Kbc4 win in 5 half-moves
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Kbb2 draw
8 Kbb4 draw
9 Kbc2 draw
10 Kcb2 draw
11 Kcb4 draw
12 Kcc2 draw
13 Kcc4 draw
14 Rb5 draw
15 Rc5 draw
16 Re5 draw
17 Rf1 draw
18 Rf6 draw
19 Rf7 draw
20 Rf8 draw
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rh5 loss in 2 half-moves