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 Kc6 win in 15 half-moves
3 Kc7 win in 15 half-moves
4 Ra2 win in 15 half-moves
5 Rab1 win in 15 half-moves
6 Kb6 win in 17 half-moves
7 Rac1 win in 17 half-moves
8 Rad1 win in 17 half-moves
9 Kb8 win in 19 half-moves
10 Kc8 win in 19 half-moves
11 Re2 win in 19 half-moves
12 Ka6 draw
13 Ka7 draw
14 Ka8 draw
15 Ra3 draw
16 Ra7 draw
17 Re3 draw
18 Re8 draw
19 Reb1 draw
20 Rec1 draw
21 Red1 draw
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Re6 loss in 2 half-moves
28 Re7 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rg1 loss in 2 half-moves
31 Rh1 loss in 2 half-moves