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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 Ka1 loss in 2 half-moves
6 Ka3 loss in 2 half-moves
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rc5 loss in 1 half-moves
17 Rd5 loss in 1 half-moves
18 Re4 loss in 1 half-moves
19 Rf5 loss in 1 half-moves