The quiet corridors of Islamabad, braced this week for a landmark diplomatic encounter, now hum with uncertainty. Pakistan’s audacious bid to cast itself as the indispensable mediator between Washington and Tehran has hit a sobering wall of reality. What began as a promising channel — praised by both sides and hailed by regional capitals as a welcome alternative to Swiss intermediaries — has descended into a muddle of missed deadlines and unfulfilled promises. The two-week ceasefire that had been extended sine die by the Trump administration expired on Wednesday with no fresh round of talks scheduled, leaving Pakistani officials to wait for American negotiators who never arrived. In the diplomatic vacuum, questions multiply over Islamabad’s credibility and the wisdom of placing so much capital on a single, volatile transaction.

Viewed from Islamabad, the intervention was a calculated bid to reclaim relevance on the world stage. The army chief, General Asim Munir, personally leaned on his country’s ties with both Iran and the Trump administration to offer a venue and a convening role. But the bet assumed a level of predictability in Washington that has proven illusory. Analysts in London note that while Pakistan’s willingness to mediate has been genuine, its leverage is shallow: it can host, but cannot compel. The abrupt collapse of anticipated talks — which Trump himself had telegraphed with a tantalising promise of “good news” — has left Pakistan not only humiliated but entangled in a growing trust deficit with Tehran. Iranian officials now privately question whether Islamabad was ever able to extract real guarantees from an erratic American partner, or whether it was unwittingly running a parallel track that served neither side.

From Tehran’s perspective, the episode deepens a long-standing wariness. The suspicion that Pakistan may be playing a double game — simultaneously reassuring Iran while aligning too closely with Washington — has gained new currency. That mistrust is compounded by the amateurish air surrounding the talks: the Pakistani capital saw entire districts sealed off in anticipation of a high-level meeting that never materialised, a logistical farce that reverberated through diplomatic circles. For Pakistan’s civilian government, already beset by economic crises and political turbulence, the embarrassment is particularly acute. The mediation effort was meant to signal stability and statesmanship; instead, it has highlighted the limits of Islamabad’s influence when dealing with superpower brinkmanship. As the region watches, the question now is whether Pakistan can salvage any role at all, or whether this episode will further marginalise it in the very chessboard it sought to dominate. The outcome will depend less on Islamabad’s diplomatic dexterity and more on the whims of a White House that keeps its own counsel and a Tehran that has learned, once again, to rely on patience rather than intermediaries.