Cienciano must open the game from the first whistle because they face a two-goal deficit from the first leg; that urgency shapes every market. The simplest result angle values Lanús as the safer option: with a 2-0 away win already banked, CA Lanús can adopt a conservative shape and trade on one clean defensive performance. A clear minority of previews make the case for Cienciano to overturn the tie outright, but most tipsters lean toward Lanús progressing or at least avoiding defeat in normal time, which supports lower-risk lines such as Draw No Bet on CA Lanús.
The goals market is the most crowded field. Around two thirds of previews compiled here push Under 2.5 goals, citing Lanús's capacity to sit deep with a two-goal cushion and Cienciano's difficulty converting chances in recent matches. Those same analysts point to the altitude in Cusco as a double-edged sword: it helps Cienciano press early but also encourages a tempered, possession-lite contest from Lanús. An alternative data point appears in one credible preview that argues for Over 1.5, on the basis that Cienciano must attack and will create openings; that creates a plausible counterweight but does not dislodge the low-goal consensus.
An alternative market worth attention is both teams to score. The defensive posture of Lanús and the need for Cienciano to chase the tie pull in opposite directions: if Cienciano find an early goal the match opens and BTTS becomes likelier, yet the prevailing pattern in the previews and in Lanús's away-first-leg display favours a low-scoring finish with one side holding the edge. Match-level context from casasdeapuestas and gainblers underpins the low-goal lean, while matchmoney's call for more goals explains why some markets still pay up for riskier striker-driven outcomes. The converging judgement is that low-scoring, cagey football is the base case; an early Cienciano goal is the single event that would flip value toward riskier, higher-scoring lines.
Expect markets to reflect that split: conservative lines on Lanús DNB and low totals will be shortest, risk lines for a Cienciano comeback will offer larger returns.