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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kd3 draw
3 Ra1 draw
4 Ra2 draw
5 Ra4 draw
6 Ra6 draw
7 Ra7 draw
8 Rg3 draw
9 Rh3 draw
10 Kc3 loss in 10 half-moves
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves