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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Rd7 draw
5 Re7 draw
6 Rh3 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 K1a1 loss in 2 half-moves
11 K1a2 loss in 2 half-moves
12 K1c1 loss in 2 half-moves
13 K1c2 loss in 2 half-moves
14 K2a1 loss in 2 half-moves
15 K2a2 loss in 2 half-moves
16 K2c1 loss in 2 half-moves
17 K2c2 loss in 2 half-moves
18 Ka3 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh8 loss in 2 half-moves