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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Re1 win in 3 half-moves
3 Rb4 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kff2 loss in 2 half-moves
10 Kfg2 loss in 2 half-moves
11 Kgf2 loss in 2 half-moves
12 Kgg2 loss in 2 half-moves
13 Kh1 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves