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 Rb2 win in 3 half-moves
3 Rb4 win in 7 half-moves
4 Rb5 win in 7 half-moves
5 Kb3 draw
6 Kc3 draw
7 Kd3 draw
8 Ra8 draw
9 Rb3 draw
10 Re8 draw
11 Rf8 draw
12 Rg8 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg2 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves