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

EGTB: win in 4 half-moves

# move score
1 R1a5 win in 3 half-moves
2 R6a5 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Rf1 win in 3 half-moves
5 Kc6 draw
6 Rb1 draw
7 Rb6 draw
8 Rc1 draw
9 Rc6 draw
10 Rd1 draw
11 Re1 draw
12 Kc5 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 R1a2 loss in 2 half-moves
20 R1a3 loss in 2 half-moves
21 R1a4 loss in 2 half-moves
22 R6a2 loss in 2 half-moves
23 R6a3 loss in 2 half-moves
24 R6a4 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves