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 Ra2 win in 5 half-moves
3 Rc2 draw
4 Rd2 draw
5 Re1 draw
6 Re6 draw
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Re4 loss in 1 half-moves