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 Kd7 draw
3 Kd8 draw
4 Rb7 draw
5 Rb8 draw
6 Rd4 draw
7 Ka2 loss in 2 half-moves
8 Kb1 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Kb7 loss in 1 half-moves
22 Kb8 loss in 1 half-moves