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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Rd8 win in 3 half-moves
5 Kb3 win in 5 half-moves
6 Kc3 win in 5 half-moves
7 Ka2 draw
8 Kab1 draw
9 Kab2 draw
10 Kc1 draw
11 Kcb1 draw
12 Kcb2 draw
13 Kd1 draw
14 Kd2 draw
15 Kd3 draw
16 Re4 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Rf8 draw
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves