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 Rd7 draw
3 Re7 draw
4 Rf7 draw
5 K5b5 loss in 2 half-moves
6 K5b6 loss in 2 half-moves
7 K6b5 loss in 2 half-moves
8 K6b6 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves