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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ra5 win in 5 half-moves
3 Kc2 win in 7 half-moves
4 Kb1 draw
5 Kb2 draw
6 Kd1 draw
7 Kd2 draw
8 Ra3 draw
9 Ra6 draw
10 Ra7 draw
11 Raa2 draw
12 Rc2 draw
13 Rd2 draw
14 Re1 draw
15 Re6 draw
16 Re7 draw
17 Re8 draw
18 Rf2 draw
19 Rea2 loss in 4 half-moves
20 Ra4 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves