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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rb2 win in 7 half-moves
5 Ka2 draw
6 Ka4 draw
7 Kab2 draw
8 Kab3 draw
9 Kb1 draw
10 Kb4 draw
11 Kc1 draw
12 Kc3 draw
13 Kcb2 draw
14 Kcb3 draw
15 Kd1 draw
16 Kd2 draw
17 Kd3 draw
18 Ra6 draw
19 Rb5 draw
20 Rf6 draw
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves