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 Kc4 draw
3 Kd3 draw
4 Ra3 draw
5 Rc3 draw
6 Re4 draw
7 Re5 draw
8 Re6 draw
9 Kc5 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Kc3 loss in 1 half-moves