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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb1 win in 5 half-moves
3 Rb3 win in 5 half-moves
4 Rb2 draw
5 Rb7 draw
6 Rc4 draw
7 Rd4 draw
8 Re4 draw
9 Rh4 draw
10 Ka2 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves