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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ra3 draw
3 Rd3 draw
4 Re3 draw
5 Rf3 draw
6 Kb5 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Ka3 loss in 1 half-moves
15 Ka4 loss in 1 half-moves
16 Ka5 loss in 1 half-moves