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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Rd3 win in 3 half-moves
4 Kb1 draw
5 Kb2 draw
6 Kc2 draw
7 Kd1 draw
8 Kd2 draw
9 Ke1 draw
10 Ke2 draw
11 Kf1 draw
12 Kg1 draw
13 Kg2 draw
14 Ra1 draw
15 Ra2 draw
16 Ra7 draw
17 Re3 draw
18 Ke3 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves