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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg2 win in 3 half-moves
3 Rg3 win in 3 half-moves
4 Rg4 win in 3 half-moves
5 Ra7 draw
6 Rb7 draw
7 Rg5 draw
8 Rg6 draw
9 Rh7 draw
10 Ka2 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kab3 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kcb2 loss in 2 half-moves
19 Kcb3 loss in 2 half-moves
20 Kd1 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves